{
  "manageEntity": {
    "action": "Update",
    "entityId": "121815",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"BACK-$TAB\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"QmVyAs3hV2JnKT9Sm4v8cNB3VJfw31tjwWiMrqAd2CJSti\",\"release_date\":\"2022-05-01T19:17:25.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1651432660,\"metadata_timestamp\":1651432660,\"track_id\":702713},{\"timestamp\":1651432685,\"metadata_timestamp\":1651432685,\"track_id\":685609},{\"timestamp\":1651432705,\"metadata_timestamp\":1651432705,\"track_id\":965466},{\"timestamp\":1693603389,\"metadata_timestamp\":1693603386,\"track_id\":1576809825},{\"timestamp\":0,\"metadata_timestamp\":1780850317,\"track_id\":740846241},{\"timestamp\":0,\"metadata_timestamp\":1780850322,\"track_id\":1519267222}]}}",
    "nonce": "0x77418a8e97d6319d47dafd2eb7baa1d39b0138147e1275d8472b07c517b4feca",
    "signature": "0xe3048a0b619d47426f61fc8713aee58fd0d6a52ee09ab5141a8b10e5368053c07b92fbd6f29667ee9980049c9da9a9bb557933c348af8474d670f50c31293a841b",
    "signer": "0x9C60B7288ECc9A77891789dF08129b2B8Dc39735",
    "userId": "354034"
  }
}