GET /v2/legal-entities/:id/custodian-authorities

List custodian authorities under a legal entity.

Path params:
  id (required) — Legal-entity identifier.

Response (200 OK):
{
  "data": [
    {
      "id": "string (UUID)",
      "type": "custodian-authority",
      "attributes": { /* see /v2/custodian-authorities/:id for the data model */ },
      "relationships": {
        "legalEntity": { "data": { "type": "legal-entity", "id": "string" } },
        "custodian":   { "data": { "type": "custodian", "id": "string" } }
      }
    }
  ]
}