{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0e586d5f360fdbb2468c7b372976e34da160248e5ddde54c5f171599a256f43e",
    "signature": "0x9df4638a0cec7603ebcdcc803f9f3043b90be4a8ee01e2cfea3f3ac4c8e21cec1cb2ea1ca59644cdd03b22ba31f538055601e71965a8cf5fdfb3c326f929f0401b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}