{
  "manageEntity": {
    "action": "Create",
    "entityId": "408269098",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":408269098,\"description\":\"\",\"playlist_name\":\"2020-02-12\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1776183395,\"metadata_timestamp\":1776183395,\"track_id\":250637554}]}}",
    "nonce": "0x96f3068e15e7880297645867c1956db823005a2a2d7257ce7808c5a89ea01e42",
    "signature": "0x7d0af20cfa050d05cdbbeea59bd72a393fd3fdda5ca061a33bf42b2812fcc6814c852216693bcca70593441dd0308a753e994f7a254a366604f6e594e0a55d941b",
    "signer": "0x57227342183E9C5360bbfb9C78d69434AF268B7a",
    "userId": "814449906"
  }
}