{
  "manageEntity": {
    "action": "Create",
    "entityId": "1915777078",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1915777078,\"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": "0x6479d0a4d8706002173d1656c9fe1a136095dbac86dd86f5c39c2a6ecc32137d",
    "signature": "0x74e97e8cb37e6341f6b41227cfb0e4c42abee6c8e28d9aa1f81df35d46b15390648a5d611141e0f8fe4bc11e8561f94ef3f370a30d66efbf111f285378caf6051b",
    "signer": "0x81c7227fc7e68bCf697AC2169B32d6A71Fac0D6E",
    "userId": "871276596"
  }
}