{
  "manageEntity": {
    "action": "Create",
    "entityId": "504319666",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":504319666,\"description\":\"\",\"playlist_name\":\"Cyan Pulse Base-\",\"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": "0xa70b65cf04cf3c63bde42351a109191f05550bb38dba876411de55619630ac41",
    "signature": "0x34edef2ed8f406927b78f41e141fc9519112031a4f5b4fd1777677fe26b0e80964ac346f369ea9e0ccf26d4b43dc9f06031f147dba471f2f85b20ab507e33f7e1b",
    "signer": "0x2c339c7740be233516BF0c187274f14a47881954",
    "userId": "142025535"
  }
}