action monarchinitiative_get_relation_usage_pivot_resource { label: "Relation usage count for all subj x obj category combinations" provider: monarchinitiative method: GET path: "/relation/usage/pivot" encoding: json input: { type: "object" properties: { evidence: { type: "string" } subject_taxon: { type: "string" } } additionalProperties: false } output: { type: "array" items: { type: "object" } } }