{
  "manageEntity": {
    "action": "Create",
    "entityId": "318720337",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":318720337,\"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": "0x7671391bb0401ea8e0a9d852c3a71a7ce5eae70ddb7e9a05f6537adab4c0adff",
    "signature": "0x7ccc89854ca4236f3978916cfdba5b7d6d8abec7434dd86580be753e9d3077e453ac9beafb59cf6fa0d9a06a6fc33df054190dbb6706fd329be4d88de30c235e1b",
    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}