{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7f4bde06219415634150d98c78f31f8173ee57393bfeb075a37dbb1870bd40b2",
    "signature": "0x4eb2f48c38da327086d223a84da30fd63c281d0589f87c4f47104758e6748abb1eca9329428c079d06bb135452f473bbabaca5068f61ebfa3c52967c31b9bb191b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}