{
  "manageEntity": {
    "action": "Create",
    "entityId": "854167915",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":854167915,\"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": "0x65b1823f215a3a055a8ca9b019ae4d31834c51421627a3edba438c4d72dce80d",
    "signature": "0x003a655b40251f83501e2d0302cfcc70428ffc29e9d497ec6ec70fbdee9d89693df30a6239f72eee4d4b52dd565fe6497e341c588f5a195c5f5c2add3a11ca281c",
    "signer": "0x537FeA657eFcF11815a94831D95e49f18F0250FB",
    "userId": "870901302"
  }
}