Transaction not yet indexed

RBMUMCpKPfYaGA92vLbgKTDzcLWpvbqud82mvvYB24dQFhYCabYy4ucwaoHKdfpECTqSC19ZP5CGkSzLGoHgyEc

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