{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147561",
    "entityType": "User",
    "nonce": "0x90a274e078e007afa62d94a3e0b2e234fca8560641150c204266ea1b023832cf",
    "signature": "0x1cc67f6efefec80b139fe1b3c9ff89f93e2fd4672e3ca40aeab48913f21332e21748638295bc245af3026eaa26cb88ca05e8f3af40d1b6acdb12d21427a29c311b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}