Transaction not yet indexed

421e2mmmG2x6LMoGtVB4WY6Zn9xXBiLFHQYyCjoXrYkoMEt2HRk75yPmj2iPuNxtU76ka55t75D4WPpgFKoJtcNE

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