Transaction not yet indexed

421bW7fFYsUWshZHLjwFtLs2xL5NwK6tEL1eAVBiMGXLGrZAXqdgJ1Qmmeew7eCXqZgKxTSYMDqYUY51f6T3c993

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