{
  "manageEntity": {
    "action": "Create",
    "entityId": "534301172",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":534301172,\"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": "0x9dfb3550e656e075348b14e1f8da50157a469319e12a8abeda84220532f5128a",
    "signature": "0x07ad31f3ffdcc1515666f2e43213b509517aadab47273f1f0978cd272130dd0e2464b9b136bea1e92cbd85da4560da9910ba75c195f360a5d9cf5eb7688b97671c",
    "signer": "0x4c4e4BD78139bf2468BE325BEBef2683F240Afe5",
    "userId": "707163815"
  }
}