Transaction not yet indexed

21ApCV9Tqir7jFYd2n5z9aK2jeQtd8apNtSdFVrM38bHfhmrXFQ7tt4rtDUkvBiSinGsUz9bK64FaYYAC8PDAZ77

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