{"subjectId":"gauge-ea-b17f0895-5a5d-442c-bbad-fcf3280aae2f","seriesUrlPattern":"/api/v1/series/{metricId}--{subjectId}.json","seriesCount":2,"observationCount":772,"series":[{"metricId":"river-flow-mean","subjectId":"gauge-ea-b17f0895-5a5d-442c-bbad-fcf3280aae2f","unit":"m³/s","periodKind":"year","count":56,"from":"1964-01-01","to":"2025-01-01","sourceId":"uk-ea-hydrology"},{"metricId":"river-flow-monthly-mean","subjectId":"gauge-ea-b17f0895-5a5d-442c-bbad-fcf3280aae2f","unit":"m³/s","periodKind":"month","count":716,"from":"1963-10-01","to":"2026-04-01","sourceId":"uk-ea-hydrology"}]}