Transaction not yet indexed

YMumRpzasHHC3vAvo5yja13zPvfse8sLZQQxtWWyReBwZ1f8oE4ARUHq3sxoN5vPfS5ht7g8fq3CYkpAexR6N8R

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