{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x08224a7671d93b3396c3c1cef84211367b7ce387c6a9a58f580cd56733973f44",
    "signature": "0x73884608f58cbab036a9cd099c57d6c0a2945f74de8d483680773b0413e7ff5b17684a6411448bf902421b3b4077c96c2a7897ff656f9e7af91919ddc2781a691b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}