{
  "manageEntity": {
    "action": "Update",
    "entityId": "1904195616",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"R\u0026B\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"QmNNVSgeCdbkF1cqaYVz4wDYFwRXgMUJx5TDBu8613xvPz\",\"release_date\":\"2026-04-18T20:15:28.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1776543327,\"metadata_timestamp\":1776543327,\"track_id\":97936},{\"timestamp\":0,\"metadata_timestamp\":1776552728,\"track_id\":1963400828}]}}",
    "nonce": "0xbb402cb084056bd14d2b50d0a2b4de0953b4020ef5cf468b144f80af7347af39",
    "signature": "0x1da77c54c3eac60d741c9beaa41bb1f9979b38a5cbbbe35659dcb38f729e26904b154e2e7c594372722ad87183046174fc3b77d3637589b0ac30690b827bba551b",
    "signer": "0x3DdfB99173Ed7ff3A083C9C589582B230d37906E",
    "userId": "192527938"
  }
}