diff --git a/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/PostgresLedgerExtenderService.cs b/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/PostgresLedgerExtenderService.cs
index e6af14c03..af97c8772 100644
--- a/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/PostgresLedgerExtenderService.cs
+++ b/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/PostgresLedgerExtenderService.cs
@@ -859,7 +859,7 @@ private async Task<ExtendLedgerReport> ProcessTransactions(ReadWriteDbContext db
                                 Id = sequences.EntityStateHistorySequence++,
                                 FromStateVersion = stateVersion,
                                 EntityId = referencedEntities.Get((EntityAddress)substateId.EntityAddress).DatabaseId,
-                                State = componentState.Value.DataStruct.StructData.Hex.ConvertFromHex(),
+                                State = componentState.Value.DataStruct.StructData.ToJson(),
                             });
                         }
 
diff --git a/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/WriteHelper.cs b/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/WriteHelper.cs
index 42b7896b0..629e675fe 100644
--- a/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/WriteHelper.cs
+++ b/src/RadixDlt.NetworkGateway.PostgresIntegration/LedgerExtension/WriteHelper.cs
@@ -462,7 +462,7 @@ public async Task<int> CopyEntityStateHistory(ICollection<EntityStateHistory> en
             await writer.WriteAsync(e.Id, NpgsqlDbType.Bigint, token);
             await writer.WriteAsync(e.FromStateVersion, NpgsqlDbType.Bigint, token);
             await writer.WriteAsync(e.EntityId, NpgsqlDbType.Bigint, token);
-            await writer.WriteAsync(e.State, NpgsqlDbType.Bytea, token);
+            await writer.WriteAsync(e.State, NpgsqlDbType.Jsonb, token);
         }
 
         await writer.CompleteAsync(token);
diff --git a/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727102737_InitialCreate.Designer.cs b/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727103946_InitialCreate.Designer.cs
similarity index 99%
rename from src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727102737_InitialCreate.Designer.cs
rename to src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727103946_InitialCreate.Designer.cs
index 91c7fe88e..032ae8f03 100644
--- a/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727102737_InitialCreate.Designer.cs
+++ b/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727103946_InitialCreate.Designer.cs
@@ -81,7 +81,7 @@
 namespace RadixDlt.NetworkGateway.PostgresIntegration.Migrations
 {
     [DbContext(typeof(MigrationsDbContext))]
-    [Migration("20230727102737_InitialCreate")]
+    [Migration("20230727103946_InitialCreate")]
     partial class InitialCreate
     {
         /// <inheritdoc />
@@ -577,9 +577,9 @@ protected override void BuildTargetModel(ModelBuilder modelBuilder)
                         .HasColumnType("bigint")
                         .HasColumnName("from_state_version");
 
-                    b.Property<byte[]>("State")
+                    b.Property<string>("State")
                         .IsRequired()
-                        .HasColumnType("bytea")
+                        .HasColumnType("jsonb")
                         .HasColumnName("state");
 
                     b.HasKey("Id");
diff --git a/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727102737_InitialCreate.cs b/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727103946_InitialCreate.cs
similarity index 99%
rename from src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727102737_InitialCreate.cs
rename to src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727103946_InitialCreate.cs
index 38f4e7b5d..032049e4f 100644
--- a/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727102737_InitialCreate.cs
+++ b/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/20230727103946_InitialCreate.cs
@@ -323,7 +323,7 @@ protected override void Up(MigrationBuilder migrationBuilder)
                         .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                     from_state_version = table.Column<long>(type: "bigint", nullable: false),
                     entity_id = table.Column<long>(type: "bigint", nullable: false),
-                    state = table.Column<byte[]>(type: "bytea", nullable: false)
+                    state = table.Column<string>(type: "jsonb", nullable: false)
                 },
                 constraints: table =>
                 {
diff --git a/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/MigrationsDbContextModelSnapshot.cs b/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/MigrationsDbContextModelSnapshot.cs
index 4623e40a5..5868fb3f8 100644
--- a/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/MigrationsDbContextModelSnapshot.cs
+++ b/src/RadixDlt.NetworkGateway.PostgresIntegration/Migrations/MigrationsDbContextModelSnapshot.cs
@@ -574,9 +574,9 @@ protected override void BuildModel(ModelBuilder modelBuilder)
                         .HasColumnType("bigint")
                         .HasColumnName("from_state_version");
 
-                    b.Property<byte[]>("State")
+                    b.Property<string>("State")
                         .IsRequired()
-                        .HasColumnType("bytea")
+                        .HasColumnType("jsonb")
                         .HasColumnName("state");
 
                     b.HasKey("Id");
diff --git a/src/RadixDlt.NetworkGateway.PostgresIntegration/Models/EntityStateHistory.cs b/src/RadixDlt.NetworkGateway.PostgresIntegration/Models/EntityStateHistory.cs
index d9859d7dc..6d7d86ff4 100644
--- a/src/RadixDlt.NetworkGateway.PostgresIntegration/Models/EntityStateHistory.cs
+++ b/src/RadixDlt.NetworkGateway.PostgresIntegration/Models/EntityStateHistory.cs
@@ -80,6 +80,6 @@ internal class EntityStateHistory
     [Column("entity_id")]
     public long EntityId { get; set; }
 
-    [Column("state")]
-    public byte[] State { get; set; }
+    [Column("state", TypeName = "jsonb")]
+    public string State { get; set; }
 }