{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xd6547680e97cc66913a712a356071527d6b1d48e7385e0077c169a681f7497da",
    "signature": "0xefc258fe096ec4939f9fd3ac410a28d950275193e0d00a27ceb8051d7dbd124a4386c5ceea23f27e3bc7289072f7aeb784ebb75be836409506db5a5badea01931c",
    "signer": "0xd2d78f9b62b3956830b58248CcD3C59911Dd6E58",
    "userId": "846847743"
  }
}