[BG-8447] tokens
[BG-8447] tokens

Summary: https://bitgoinc.atlassian.net/browse/BG-8447

Reviewers: bigly, isaac

Reviewed By: isaac

Subscribers: tyler

Differential Revision: https://phabricator.bitgo.com/D10288

BitGo/BitGoJS,BitGo/BitGoJS,BitGo/BitGoJS,BitGo/BitGoJS