{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x33f9234b9d27d1db0b3b01fb57fc0fb57f074c64f5d685ca711510c5865e7c74",
    "signature": "0x16ab30041f1358120e90ee823af64ea2137f1eafda29b2e4e09f216b681935e37454f7fd67761305dc0499c7c43f38bebd08d5dfce88080b3750d7ae8ff491061b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}