{
  "manageEntity": {
    "action": "Update",
    "entityId": "1543105398",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedm6i6gezfx5f3g544udiju5ftpcimddpq7vt4gsk3c3ks5a2xobe\",\"release_date\":\"2026-08-25T21:51:03.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1787742464,\"track_id\":965207325},{\"timestamp\":0,\"metadata_timestamp\":1787742688,\"track_id\":37252776},{\"timestamp\":0,\"metadata_timestamp\":1787743724,\"track_id\":773249}]}}",
    "nonce": "0xe9a34845ba1fee5e0771a5df94e6cbc3a2fc8d7a63633ad944ab87d7b608f1ee",
    "signature": "0xecb42d0c059bd7a676e25d03bef7ee1e5fd62a9990d0e98a75b0bfb726ab044c4be1b52999dfe299e61a1ca7cc267ab5a3a7102296804355093b3cc2ed5fed3c1b",
    "signer": "0x3FeE0Ea3F221d5a5eB081498551579Ce7529FaAe",
    "userId": "435330450"
  }
}