Transaction not yet indexed

MTp99hJLedHqaK7AYqigKmMoB2ymxcahzRLXujxzW1aW7bWpNuFcdCVbwoUbK59NwExPNPvGxCzGeQftX6KH1QR

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