relationship

type DeleteRequest struct {
	Entity   tuple.Entity  `json:"entity"`
	Relation string        `json:"relation"`
	Subject  tuple.Subject `json:"subject"`
}

type ReadRequest struct {
	Filter filters.RelationTupleFilter `json:"filter"`
}

type WriteRequest struct {
	SchemaVersion utils.Version `json:"schema_version"`
	Entity        tuple.Entity  `json:"entity"`
	Relation      string        `json:"relation"`
	Subject       tuple.Subject `json:"subject"`
}