Transaction not yet indexed

21FomHkqqy75NsVvizs1ueqV9xdfKWEUGPz2rrPyA4Xy9E23kpm8xKBmpeipBkKrAMx9Ghjj2ytHH3VB3spEAMK8

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