{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x8d2a4f79827c6757a3240a4b3961797321d8e98f8fd729a635e9565a0772ad26",
    "signature": "0x8aa3d5bbcf1558ee31f78eaf5d2ccd3b36a4283b00a035e674107fca947d72c53bbcc9d1ebd3701c2a95303750419f79598c7797cc4baeaf1f4c63037b950bad1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}