{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x87cd7e86d24945497b2605366494d08b334be62adcbcc98e6f0177c84b8e3cd1",
    "signature": "0x24227fae2175319f2ae5f2d82a2bac843684bf405b15ee60c46c90adef2c706c0ec7b9562d9cc2c07904de2e632b3e9d56ae9ef46b25d773e4fb778c1aeb97a41c",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}