{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7950bed711337baf4877734118d832fc170c8956c65de82a6cee32782344919f",
    "signature": "0x646140f868f993efd07936e4f613b396e498a268b341f16bdcc00d2d2ef25e514d1ffb8b021f725ea8eb4a1f1ff46dee826ade7e7091e4ba1f1bb070937635f01c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}