{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83964",
    "entityType": "User",
    "nonce": "0xb3b6fd90b8b870ebc357355d48ec63ed2b9cf1a0ba523a1eda8c81259ab39c9e",
    "signature": "0x944210bc27f6c03a4fa0528be424a5e793f7bb6f639f2faa9c72d1b2a0c96b9f2ccd7bb2e163b75e806a787bd4a700ed5205097da395bb0aced9060e1350217b1c",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}