Transaction not yet indexed

621SjPNUH9mMRB1bTFzkueM3c4GFV6e7ebbJtMG8e85Ub4JBE7mrJWkzMaBN1etsLR7NEEd2E4HQriFM6A5BLxVU

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