{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x11383c677e3f69fb76cd5120f9ddbf96760011ea9f004445eb536afa0575a64a",
    "signature": "0x85b6422d4819337e6eb69006f58bc5ddce9271bb173d47f2dc46829a200849e018b5d563ef3184900da2cd1b52415ff993d59dfce279f648b6104ae8fb26cdac1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}