A timestamp in RFC3339 UTC "Zulu" format, with nanosecond resolution and up to nine fractional digits. Examples: "2014-10-02T15:01:23Z" and "2014-10-02T15:01:23.045123456Z".
[null,null,["Last updated 2024-11-14 UTC."],[[["Message receipts provide confirmation that a message was successfully delivered or read."],["The JSON representation includes an array of receipt objects and a timestamp indicating the creation time."],["Each receipt object contains details about the message delivery status, such as whether it was delivered, read, or failed."],["The `createTime` field is a timestamp in RFC3339 UTC \"Zulu\" format, indicating when the receipts were generated."]]],[]]