Transaction not yet indexed

5U6BtmcxdPaWCpq4QyK1RugcaGDm4JRCGJ9wLjXtyU9ThDmNE2h1pFQESWrQuXf9BmE2BBVsUxCZ67Ve21b5esF7

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