{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7bb14c1e4f9df00ad399b1607cd9a49e9e8a801beb899d8148c0fc5be2aa79c8",
    "signature": "0x2aa9f4db46c35ef7908a11a352dc88a1de942569da2b497cb5d02598aeb1648534575b7e417f56c1f92ceaef02f7533c7af8b3a0754e910ce04846660878db011c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}