内测阶段~~~~~
curl --location --request POST 'https://agent.x-card.co/example/v1/sign' \ --header 'X-Access-Key: ak_31ae5484d52c5f82ddb9c114998ca867' \ --header 'X-Secret-Key: sk_4aa651ae3a2e7a75cabd6d3d23bbfe27eaeb5723c815069c30b93cdcc0cf91ce'
{"code":200,"msg":"ok","time":"1765510938","data":["X-Access-Key: ak_ab52302ccae8cba774f2c4a130b171fe","X-Timestamp: 1765510938","X-Nonce: aab580c46a7cee07","X-Signature: 69cfaa86342528c02d76501f277ebb15d2c4d6acbb9f2514264a977f9830e19a","Content-Type: application\/json"]}
