{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3a01c776eee32da16bb04136a6078f5489d4f01c42e195d6bb3cb0b3d07e10f9",
    "signature": "0xcf9b12e6efe70fa4720e2f4cbd7032f217444e24d85e369408b1c1547d511e885f6952c7c58d532fe155fbdaea500fa5e3153ae11781f4fc1e9cc1a45173ce4a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}