{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1334982",
    "entityType": "User",
    "nonce": "0x17f0f74e1eea73b2ac8aff846220310d728c91b3671af878aa9981450e63dfc4",
    "signature": "0x7f0484661863cd3677a867105936e1fe1f364445119dd50b4aa06caf886b9d176bc17eb1a7d2a52dcc69f4424eb44aa3be8977d335b1315d1b332735538ed01c1b",
    "signer": "0x35240a78aF8713dB81Cd87dFcA12C9f94d95f91b",
    "userId": "90731"
  }
}