Transaction not yet indexed

21UmZYRZaSxWxPBVDcJVjktf8rdj5w154BrR5P1g98CNkukVMhpy9FMTtMJU8gKb4F2YtFfTTVtkNvP5QcPKx1ZL

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