{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0777bd26017483f1918e16e7571b3eb54a0777fb97623c2dee073c5b8861c476",
    "signature": "0x44c2c579722f767fcb194c114684f56467f3b0e7a3368ddbc0b857c707630a2f77fed135cbb4b045c780aa480d5d70b5ae36b9cff5ae4d060bcabd9d8f1896811b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}