Transaction not yet indexed

UMyk7zwu7G8ZKaRP3JMm3mZTvnH5UcBjqoEAQ2aT5L314xQatzVRuB66sbsbn1RY3cUpPub9UmU7CPdZoePCUC7

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