Transaction not yet indexed

Pdc99M77MgjV3hFbPM9FAnoK6Rq5JaAyF8mTACBK4UgCE7ZcY1HoRfLP56aorYB23hhHdPYGxFY4oHUxXaEKykc

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