{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x2748e5626469af1da3a1ba277b1d5a103d3acf43cb3ca209c2d59302201ccda0",
    "signature": "0x7bebd48d8168860626edd01b0475479a8572fbbb3c3216764bf8f4c044d01e5f2a2b0eba93fe868777bfb3ed2066ed9d6ec40f05e2cb2a1b6a6e6089e07401f91c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}