{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7321c5110c8614408f14e1a6fc5f5678b49553a16c52539fbec42844a80d58a9",
    "signature": "0x3a62aa804ac65cf2b372a84cc60a7148eb185a3441a47062df97efbaa06b90ad3fde78ac5a7fb515410d62312335a300dad18d1e6d1d596b86c1280515961dcd1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}