{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x83321722ec1754f4d14e6256480f36cbc5ed5198d6b99e38973f47791f658498",
    "signature": "0x9943920870b8f9b75374ce22ecc1b2d44ffb481872dfa199bb24e3248128cda66799bd35d8afcaa2e65fe9db071aaff48e34101e8214743801dd556695de282b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}