{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9a03d6fb15f323454c5504ec362cf177723fd1aebc4241188a5ab2ef31d6b952",
    "signature": "0xef91fda0098b4079cc2a8c855bc3c960bdf39527aa47c06f5faf27bdeb1d6eb14c6684b837cec314cec6268f9821d4a752aa5c2caaf57aa2077d507cbb0cbd061c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}