{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9a8e1466e59009a630b61e056e43634f3ac17e1e8268285831715d6af75e1047",
    "signature": "0x3d6b8bd750d9ee08e5a026732504232569b220b2fe41304f5c6cb4d074218c674cf28655de17abdd5ff1e324fe2dc9130a97313dee050a678551b6e8d7aa2a661b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}