{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xb9cad0170080cb28538680eb97cded1edcf8016417d7ca51f890f5b4480ae678",
    "signature": "0x4b4cc5fc9199a7a95195517eb1e8c102f1e43a3acfc1a2238b425364b1d9e1634ee445bd6a46a92499444e1f0c1471237c9c6c8252075f9da7f174d9e45be45d1b",
    "signer": "0x5E9e335B926f13fCfB757dd03233B4f682DDb6d8",
    "userId": "499867732"
  }
}