Transaction not yet indexed

421vkt28NCz9Sy8ippx1zjUUmqZWs3jaKmn8111Scb4i8GeF1afNdTCWWppgMRpi4kuaLHr5gqjLbK5zcU6e8PEx

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