{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb47ca765288c0718677fdbdc0872257dfd67e3d956cda67ef9c28032bd71c2bb",
    "signature": "0x115d9a7a0cd11b52ff98579d7541a4c1096984d4c4aea78c84f70252769de17e67a1d37545252b857df73b568604484fd52dc481b24ecc8b9159952293ae14dc1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}