Transaction not yet indexed

21HtK15jx2bbjCTCPPQsEycCPw9aK5bLCgh8BmDvsRF4LvcbPiVrLfrwXroSim4HzCoNpmkHn6GUGzaZR8u1eRRs

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