{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xc11638ef00397a397d0ddde9773dce122033f3a849d434c410f4c059d3565696",
    "signature": "0xa29d5c92d819373110396e02284090b240a244f37b052c0e3eafc5276709b9d03737bc6a39a41f614afcf2e6258ab09368e423249d3359479215eedc9f8146311c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}