{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd74d989fe90824af0ae44a696b4de2dfd52975a98dfa87fdb16797fe90143768",
    "signature": "0x62f45eeb556a74994d3aedc4d52f22ae2ec1c186891900e749e8e89e0ccdefa94a76c97b7f65cfb38417c2f449aaca0ffcb6d1a1d4178d029723a388a64804f91c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}