{
  "manageEntity": {
    "action": "Create",
    "entityId": "561537949",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":561537949,\"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": "0x0c36926322bed3cc73ec79733a1864611a64a7d5310178f7ddb0c92af813f6d9",
    "signature": "0xda9701e8f8405befe9be0c48b5dff4a54f7c3de66d1acf4b79f23d1be249bf516d3614b5cbb941c1f71d6964ea9af5cb6596dc75e5b56a40038e5e1e751928991b",
    "signer": "0xD4Cafb7f9ca72Dc91b76b7a5f46778B5e9CF25C9",
    "userId": "656918811"
  }
}