{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xaa7833a1a3738a218a09b31d7c4046387829ee65fc7588f7651696866f18f408",
    "signature": "0x79deb95b1cb8b40b6d40c40c0866cae2bb6bc144d4ba51fbaa0bcc0b486e65dc354f7c3ec5e679cd3ba1a6f8e5c88e3e2982365db0e63b67c5461f1d44185e661c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}