{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdf15e886e4cdea5f18948041745460f5043949cc2d132c2a8e91df671c0ac0c3",
    "signature": "0x59b043f98c05fc4bd808bd74ba26a88228a6412298932de13d6fdb71b98406e24e85137f010ef879209b6fd002dd7bc716315f27b0fd92adb65dc07e87b858ec1c",
    "signer": "0x06902ed62bf3DeB2BA8Bb75F08cE93c1E87A7Ec7",
    "userId": "789121538"
  }
}