Transaction not yet indexed

YAMm5ccMqXhPxJZTy2rTmMAVcHAyLAthEqKZnEnteGgg8AgHufoqrKH9Expdx8CJb8fbAEDFQKJ6xnUmgsMATpJ

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