{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208964360",
    "entityType": "User",
    "nonce": "0x2dd59a1651fb7b0e37673243950e94d43d6167d2e87a930887c50a7f060b3022",
    "signature": "0xb9fc1cb31935665911f6e1f622e70b59089dcef8e4f30e10b774a1510ff5ed6875d3d41ec4ae1485719bcdab742eee3f2280b745072b9a4c291d12b5992a0fdb1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}