{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x6a5e820156195fc7f84ba6c30143a44fcb2f64aa3965fc661920ec524f4d50ee",
    "signature": "0xf9dc0d63ca11f55993500f98ab4a7effecdaeabc286eb55b2a1e4dd83057ec5b4ce5d50d668f28011fea3874700d48fc956ee2a8ce8fc02b92c09727e49c71a61b",
    "signer": "0x358E06588e1162ca62B7B502eb703DB4349B6734",
    "userId": "230919965"
  }
}