errors:
  badSinkParamEncoding: bad encoding of sink parameters
  contentLengthExceedsMaxAllowedSize: content length exceeds max size limit
  failedToCreateEvent: failed to create sink event from request
  failedToProcess: failed to process request
  failedToRespond: failed to respond to request
  failedToSign: 'could not sign request params: {err}'
  invalidContentType: invalid content-type header
  invalidHttpMethod: invalid HTTP method
  invalidPath: invalid path
  invalidSignature: invalid signature
  invalidSignatureParam: invalid sink signature parameter
  invalidSinkRequestUrlParams: invalid sink request url params
  misplacedSignature: signature misplaced
  missingSignature: missing sink signature parameter
  processingError: sink request process error
  signatureExpired: signature expired