{
  "manageEntity": {
    "action": "Create",
    "entityId": "1419938958",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1419938958,\"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": "0x7dcd90008c50ac3f4485c93d82597996b8e275c4957e3cc333cbd8a44c806b9d",
    "signature": "0x7d1eaa54743fdb3a2034321d65e1d5cda9ee710b7dc2c0d367db2f58029525f51d6cb346b919c933325845895f17cdd6c6692e924be86e722c2d0a30b5a250341b",
    "signer": "0xa8BEF74bDb7cdBA1D7E949228F5112f6af3276b9",
    "userId": "854828390"
  }
}