ChainStatus

Chain expiration information

expiration_date (string as date-time, required): When this chain is going to expire due any of its certificates expiring (ISO format in UTC)
first_certificate_to_expire (string, required): Information on the first certificate expiring in the chain

{
   "expiration_date" : "2019-01-01T00:00:00Z",
   "first_certificate_to_expire" : "string"
}