Transaction not yet indexed

421U8NRDLTkhdiGVKPPX6vRespA3UrG3oWrKzr3gW5do3z8S9LYdnU3tNKjdYdvD6f5oUtHvxnXtGGCkjqXF9dPV

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