Transaction not yet indexed

REXMsEnPmDy778RGQxZNbZJu5n2ktpbciyxbNKjKiGexNWBcNeKGfreWdnEL9N2g2jUfSzuk6q3V3hmuM2SZZZX

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