{
  "manageEntity": {
    "action": "Create",
    "entityId": "123161463",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":123161463,\"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": "0xe75d7ecbffb9c6c6f6614d5b8d9d1e38425095bcadb46d8565c45c7d542e94d7",
    "signature": "0x1a4f1de7556d38de22989fb676a35d11ad6f2c4fa30b55f70393565b812b216145664227c307d07dfdded2bf3d5a400ed9f06e483bb07ec7634efc3b5c40d3281c",
    "signer": "0x8541894E643D02562c925b24cA4De917950B837D",
    "userId": "970214396"
  }
}