curl --request POST \
  --url https://maas.apigo.ai/v1beta/models/{model}:streamGenerateContent \
  --header 'Content-Type: application/json' \
  --header 'x-goog-api-key: <api-key>' \
  --data '
{
  "contents": [
    {
      "role": "<string>",
      "parts": [
        {
          "text": "<string>",
          "inlineData": {
            "mimeType": "<string>",
            "data": "<string>"
          },
          "fileData": {
            "mimeType": "<string>",
            "fileUri": "<string>"
          }
        }
      ]
    }
  ],
  "systemInstruction": {
    "role": "<string>",
    "parts": [
      {
        "text": "<string>",
        "inlineData": {
          "mimeType": "<string>",
          "data": "<string>"
        },
        "fileData": {
          "mimeType": "<string>",
          "fileUri": "<string>"
        }
      }
    ]
  },
  "generationConfig": {
    "temperature": 123,
    "topP": 123,
    "maxOutputTokens": 123,
    "responseMimeType": "<string>"
  },
  "safetySettings": [
    {
      "category": "<string>",
      "threshold": "<string>"
    }
  ],
  "tools": [
    {}
  ]
}
'

"data: {\"candidates\":[{\"content\":{\"parts\":[{\"text\":\"这里是第一段\"}]}}]}\n\n"