Transaction not yet indexed

421FbpDfDstE2bLmY2tRCzAp7ENeu9p18o2MLoPhPPxTjPCnkNnz3AoqntkLDaD8V8C8PspWQscRYySHLQBHyjNS

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