{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5ca77373dbdd0ae3382d2390def744d9929649dc8b72efa2953989a5b3350a01",
    "signature": "0x71572b1e1c6476eef647ff175fb78e8bd8635b4f983dfbc6d4e5e0cef110b5835519dde3e882007d0244398a0bcbc2060f3bfbaea48ab24d5a78029771444e621b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}