Transaction not yet indexed

5b1AStwBHXa8ajSWPKTyAgqJ4FM58mGN4o27cpn55tMt3dpXmtkoaGghDRKcqJjtkbLezevFtc29SyBtE5F9apRR

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