Transaction not yet indexed

666aEC7k667f4V82fSoZphXxbYv2bqBnrxhuxKBQejhzWmF3GosjMLbvzZZsKNXXGtoi9KiNrYhWbGTJSxSLHFx6

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