看起来您遇到了一个与签名验证相关的认证错误。这里有一个逐步指导，帮助您解决这个问题：
- 检查您的凭证：确保您使用的凭证（如 API 密钥或访问令牌）是正确的，并且没有过期。仔细检查是否有打字错误或多余的空格。
- 签名格式：验证您使用的签名是否按照您尝试访问的服务的要求正确格式化。这通常涉及特定的算法或字符串连接格式。
- 时间戳：确保您签名中使用的时间戳与服务器的时间同步。时间不匹配往往会导致签名验证失败。
- 查阅文档：参考 API 或服务文档，确保请求中包含所有必需的参数，并且顺序正确。
- 编码：检查参数是否需要进行 URL 编码。在 API 请求中，不正确的编码是常见的错误源。
- 工具和库：考虑使用服务提供商推荐的客户端库或工具。这些工具通常能更准确地处理认证和签名生成的复杂性。
如果在进行这些检查后仍然面临问题，您可能需要联系服务提供商的支持团队，并提供错误的具体详情，以获得更详细的帮助。
It seems like you’re encountering an authentication error related to signature validation. Here’s a step-by-step guide to help you resolve this issue:
- Check Your Credentials: Ensure that the credentials (like API keys or access tokens) you are using are correct and have not expired. Double-check for any typos or extra spaces.
- Signature Format: Verify that the signature you are using is formatted correctly according to the requirements of the service you are trying to access. This often involves specific algorithms or string concatenation formats.
- Timestamps: Ensure that the timestamp used in your signature is synchronized with the server’s time. A mismatch can often cause signature validation failures.
- Documentation Review: Refer to the API or service documentation to ensure that all required parameters are being included in your request and that they are in the correct order.
- Encoding: Check if the parameters need to be URL-encoded. Improper encoding is a common source of errors in API requests.
- Tools and Libraries: Consider using a client library or tool recommended by the service provider. These tools often handle the intricacies of authentication and signature generation more accurately.
If you continue to face issues after these checks, you might want to contact the support team of the service provider with specifics of the error for more detailed assistance.