Timestamp of when the resource was created.
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/tunnel_created_at", "title": "tunnel_created_at", "description": "Timestamp of when the resource was created.", "example": "2021-01-25T18:22:34.317854Z", "format": "date-time", "type": "string" }