| Key | Description | Example |
|---|---|---|
| authorization | signature for authorization | MQv2-HMAC-SHA1 Credential=J8gkX9OS3T6AdMHs, SignedHeaders=x-mq-date-time, Signature=B727846CAFB5B19E189D2C172CE2E1E7CDC0E7B7 |
| x-mq-date-time | current timestamp | 20210309T195445Z |
| x-mq-client-id | client unique identifier | mbp@78774@2@3549a8wsr |
| x-mq-request-id | request id for each gRPC header | f122a1e0-dbcf-4ca4-9db7-221903354be7 |
| x-mq-language | language of client | Java |
| x-mq-client-version | version of client | 5.0.0 |
| x-mq-protocol | version of protocol | v2 |