Transaction not yet indexed

421DRktDvApFmSF3wXHiFZ97UDf16h33CnCHvhpNmCbMoXSLkBkyBe33UbqtnB7hB79RqfJ7LZmdeSPNDtaL4346

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