Transaction not yet indexed

AAmbP1M3BMbHTyaaG74LGwkjXrKp7WYemiYjKbv5A5jW8kyJXWPWe4eNxkcamfSpqJDFDXXh5SLwkBnKBbJuBjf

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