Transaction not yet indexed

21c4NctggyZSjt5xWiQrgpYZdfrzEhEVvgJ8yxtUawj2Rh9d1J7ew5fXaV8b7yS1KVmzHbFx8RrJyWiG5P6Sqgg8

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