{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xb913ff566308eb806efe7903734e5da521e409f13e67a30fd51e8d4429a3b046",
    "signature": "0xf62dbc32811e945494f1ce713cb76ef1b2de64fddda7733995600919ba5a74bf0969d5949cbb2e4f94e6e5383d21c391e0f2b866d938db5f34f31eacc8bd7f931c",
    "signer": "0xFfEDC8a6177467Dd818D12079De6E66E514EeA03",
    "userId": "992110484"
  }
}