{
  "manageEntity": {
    "action": "Create",
    "entityId": "880396278",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":880396278,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"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\":[]}}",
    "nonce": "0xa23e700319be9c33ca388752a5fb29d08cfc3ae11d42f01713db3a96b030fe61",
    "signature": "0xe783fc124d1bdc9d700a828a89c81da65d624c8ad6f1e3fd29c386ed972e81083df1acf5fd40e9a5aa4badbe397534a8847e06b6d81108d755829d83e7ab601d1c",
    "signer": "0x825558fbcfFf5d9378146705Ba36E009c9Bb3f24",
    "userId": "794812227"
  }
}