{
  "manageEntity": {
    "action": "Update",
    "entityId": "282925803",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-04-19T19:20:45.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x73c191916c109fe80d036fe27821b46c785efada55c5b6e6537938f535995ea3",
    "signature": "0xd10d6db2dae9a2e9945bbcd58d87b5cf21d526dd86ccc01f3560a8685417ddd85cf81cb2035675ddebf2ed118ad15364003ea4a46106fae0cdc819b0f264fbd31b",
    "signer": "0x48B2FC05BF11CCCB6f73c4BB3a53fac8B0AE8DfE",
    "userId": "971307712"
  }
}