Transaction not yet indexed

28NngDbEdpp7ZAQdJZwV2m6X3qTxGEdhdofk5FHiQ2fjJhpZYMSBP5AhDSRyuGZBuoTJ9bdErqhH8DqEKK8H6fqa

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