{"subjectId":"gauge-ea-36515ff1-a12b-4834-967a-582032db3775","seriesUrlPattern":"/api/v1/series/{metricId}--{subjectId}.json","seriesCount":2,"observationCount":507,"series":[{"metricId":"river-flow-mean","subjectId":"gauge-ea-36515ff1-a12b-4834-967a-582032db3775","unit":"m³/s","periodKind":"year","count":21,"from":"1982-01-01","to":"2023-01-01","sourceId":"uk-ea-hydrology"},{"metricId":"river-flow-monthly-mean","subjectId":"gauge-ea-36515ff1-a12b-4834-967a-582032db3775","unit":"m³/s","periodKind":"month","count":486,"from":"1980-05-01","to":"2025-10-01","sourceId":"uk-ea-hydrology"}]}