Transaction not yet indexed

MB8SmdruVwPPWyx574PNETbfnuHrc1KbqC8zXx5T7ZJeQKdcPFJDJfPJWtGkYLRzXKWiKYBpbst5nDKRBoNNY99

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