GET /v2/clients/:id

Fetch one client by ID.

Path params:
  id (required) — Client identifier (Mongo ObjectID).

Response (200 OK):
{
  "data": {
    "id": "string",
    "type": "client",
    "attributes": {
      "name": "string"
    },
    "relationships": {
      "parent":             { "data": { "type": "client", "id": "string" } | null },
      "children":           { "data": [{ "type": "client", "id": "string" }] },
      "legalEntities":      { "data": [{ "type": "legal-entity", "id": "string" }] },
      "reportingEntities":  { "data": [{ "type": "reporting-entity", "id": "string" }] }
    }
  }
}