Transaction not yet indexed

66Und3S8tDtmoqmTNtVqWmn6k6cugPpUTcnGcuwv3CGN8trDDJFaZqSAhpmK1Sq7LrStNMv1LxMB6EuRfd7ftJC9

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