{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2411",
    "entityType": "User",
    "nonce": "0x1a77fd2bfcfe5bec1fb0a48b164ff10d6cc77824ed014aaf6009202cd203cfa0",
    "signature": "0xca837645c0e987993f11c0d055d349445942c96ed7e89f98b690b6e802bd3f1e062f44654f9acb25289be2f962b4ecc7d23e3c6240d830805047341f927a95291b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}