{
  "manageEntity": {
    "action": "Create",
    "entityId": "283529481",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":283529481,\"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": "0x478ce5276a3ccaed484968433ac4c9e301d2d894989c7943459cf6bdab31855d",
    "signature": "0x527e7553c8a11878da0a4689df4283906887378022d40988c2315f72ff852b5a25aa8b367081d72bcae8f514ad76824acc0e5097a582bae127b9d637803262701b",
    "signer": "0x62817fe585dd82782f707894b0763a7Ee2E62016",
    "userId": "651871541"
  }
}