Transaction not yet indexed

421mDvRmdSmWh2cxeKSN9PgQ9o3BBBzjF1SbZ2MhxPcFyiSVyCS85X6SbXeF5YndSQ7aVcZcUvqJmvh6DeY8PRvi

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