{
  "manageEntity": {
    "action": "Create",
    "entityId": "738895109",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":738895109,\"description\":\"\",\"playlist_name\":\"Fired\",\"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\":1776392640,\"metadata_timestamp\":1776392640,\"track_id\":1558756178}]}}",
    "nonce": "0x5ea46be7ec01ec1bb4517cae642ebaa65b34a337d5064830eea77876c88e13b1",
    "signature": "0x9b8b785504cb2a1505db2af669730593606ac8dd859ed862b11176d82b4576e4657fcdadce14f85d09ed45bc39188190b4497ec8e81ea1ddd0b47034848fa4f91b",
    "signer": "0x6bbE8Ba8276834DECf4c0d3460707A86b8e263b4",
    "userId": "248785756"
  }
}