{"subjectId":"gauge-ea-6bf1cadc-3229-4c0d-afd9-5b1a73443ba6","seriesUrlPattern":"/api/v1/series/{metricId}--{subjectId}.json","seriesCount":2,"observationCount":959,"series":[{"metricId":"river-flow-mean","subjectId":"gauge-ea-6bf1cadc-3229-4c0d-afd9-5b1a73443ba6","unit":"m³/s","periodKind":"year","count":64,"from":"1944-01-01","to":"2024-01-01","sourceId":"uk-ea-hydrology"},{"metricId":"river-flow-monthly-mean","subjectId":"gauge-ea-6bf1cadc-3229-4c0d-afd9-5b1a73443ba6","unit":"m³/s","periodKind":"month","count":895,"from":"1944-01-01","to":"2025-12-01","sourceId":"uk-ea-hydrology"}]}