{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x34a9c432e158d028f1274135b15899f41ddb6e53b82eb3c3b978338341e69018",
    "signature": "0x43444ba398dc52519a9f9067ffbc3cf9db805693be2f662a2fcbc9a83bf7dde27e220efa761bc6feb4d45ecd9b84b0eacb10520a4cbab3ea21146872aeabe8991b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}