Transaction not yet indexed

xa21SLKZJ56iJooRcpzFDYhej842xr8jmm3G6Xs3kHJeMkUpsoQnCeN6V3ZX2k8QdUsMg6wdcnDoQ9CHDqgBPXc

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