{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x606cfb938bcc0c938537e53796f451fba5198fe8f337c85fb3485a82045b465b",
    "signature": "0x93d5cbd4b69235e7d9262da5c268644e4ebd2953fe3f89c0dcfc845fa35ba16a1f4cc98eb32e0a408248207f5eaf7a64b2b49c7ff7881e2188ef7b4f748e36861b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}