{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x8065d018bd6cbf1e012f08a58b76f877b1a9aa3a166c20c780e1d70299fb0a90",
    "signature": "0x5ae6c86662685d487373337963d63ee48108d50f1a831e9a4002e225daee162a6006a90b51e3deb20c8a4b9501ea320189ab6e3fc8fd28b24adb85375f9824181c",
    "signer": "0xFa4190a6C682aEF67fAf91B437CfC23C663a9C38",
    "userId": "97982287"
  }
}