Transaction not yet indexed

666FsC2iw7esnHBwghhu79MsghXCjkd4cCYyzG9EDqstgHbCz8SeBriMDpgEzQevA7aVJ2E2TPnZa1UjMECdgwXm

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.