Transaction not yet indexed

421unJdnDUExp5i1GAFgrdn6icDWQEfL5YzAw6eaMnQLRTfxdSJ6eiUF6EtDYQ5HfvpEuPVQbMbqUTxrjevBVbSs

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