Transaction not yet indexed

SML37tvTBajDqKJjytLthYgC5mbtJYxjWWXbFTLamiFcUZkhFSDEBmUGUUbDZ6Tmwmy4pgSo23HGjCVFVccVaXZ

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