{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x949db1831987a4b8549cf0bb539cd4ed0e9c4c3de4017db0708036f0f6240ca5",
    "signature": "0x43c052bd36bf0992305a3036703c55e7508d848e04fddd16c77d1277effb07cc4f70482ca2a858ff0817fb30db10db42f5763d2a7f2b848d314c57867fa746b61b",
    "signer": "0x4d8B00657C2a3A08D362c695Ef7532cF78048EEA",
    "userId": "41995498"
  }
}