{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1b7ff57efdf0c04e734501384a950457b7c78f3b97bb786e9557bbe39e0fbe03",
    "signature": "0xae7c1d35a2bd9a617dbca7e87ea45e46f18dc8dc8f24477856cff6485c9a4d345393d1ed27be1c8d39124403e72de4db57ff00b71d9d32489cc1f0a1320c8dcb1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}