{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x684e9516db104116b4cc1ccba4fbf6e197518591f36fb2663267cedaf9ec248d",
    "signature": "0xeb108b37b37408b04b54290d41f30447c2f2a54e38e574686cffb44e99e7df7f3fcc613c5ae4a72d020eee0db0215b362a0df7902c5bb49f99cb69e835af6b9d1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}