{
  "manageEntity": {
    "action": "Create",
    "entityId": "828372839",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":828372839,\"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": "0x2233709f72ce70e075d1546ff8f80271a5f9e073c8ecf8da333ab7c4390f4714",
    "signature": "0x99d9fa68043a66c829f62a6a0a1f1f6f8ebe086b15dd41d074624f2afcd5f0f015e68f83d8add48a428ea3ba8be790d4d1e018e7830b3b10ec7f55c335dd58121c",
    "signer": "0x4b402dCD6745d20b1A6e12626A6E2b97c8652E37",
    "userId": "325554867"
  }
}