{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54211",
    "entityType": "User",
    "nonce": "0xeecfed0a12b047502a83312ace6341202829998472b04119f3645db1f5804b03",
    "signature": "0xef9676c31f80a4b5e053f688f8a06407a275c7b1118bafceea4c9226baa20df9549383d48da353cb4b01a7b591b5786454dbb8d6a95cc8905a2c6f92ea78678a1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}