Transaction not yet indexed

Qu53Mj9AHFuqgrtsY5cnuYF6huDGjeKjeR1cDErKPyviWFrAFhFWvJrCgq1WyYhGFkCLaQK3xC86n2bE3GGvyMD

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