{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xa4a0cfd464b67068c6de532ddcbeb0fb98f27fcad77b55c0f686f7f1ca7dccfc",
    "signature": "0x14f6f1266dfde51341a170975d39f35d2f24e83a27fa847ed0556f07a3943cb750b840a6adb8e361d5fd8a6335cf28a82e2c3194f0a04ed30a516f664525d89e1b",
    "signer": "0x2F9864d7d33e6411cF49b5E7d1D73C2A5e0A289F",
    "userId": "549774400"
  }
}