{
  "manageEntity": {
    "action": "Create",
    "entityId": "1241430440",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1241430440,\"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": "0xc4b22d32e6f53895ab83331d63f35acd35332e4c35faf78ef3a33c3e6243c308",
    "signature": "0xb930753b7021ae93584c23a04de197a1b6e43daa34a8ab29c319659dca87897e58535b6125b3c2e4115b189f05a87888b7daf38003fe265deeae941757a5d18a1c",
    "signer": "0x349076f7f4d2b28A87F0e9F5884E75d25d0C46e8",
    "userId": "159054652"
  }
}