{
  "manageEntity": {
    "action": "Create",
    "entityId": "1091138970",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1091138970,\"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": "0x3649ea65bc4c885bf1aab220d258782a92733e0acc85aeb968cb308fb98d8332",
    "signature": "0x4b7fdea0e648b9ea435d4aa3ea3456b2584de4be8ad09ffd87dddaf3d3c881d75dbe09e992fb399fad420d69196890970d72f00249c387c814efed8a9ac4a3781b",
    "signer": "0xa2D4a3eD7b1A35BB8414411f5A320fDb59218ae3",
    "userId": "537865248"
  }
}