{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x73e513cda40b4dcc06f27e96310a27daf6e2d4889eae1157618ecc198e9eb2fe",
    "signature": "0xdbbf5d1a2b046a2d5bcc874806d48e95732bfff6bdcd4a86729f04edd395424a2d09771bfee935c32c8bbf0c08e8a5cc297a46cf6039230af3f55603a3f04eea1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}