Transaction not yet indexed

MTb1s9ox3t9xLwK8vAvNofDTL4s3ccSYpS6NQpivzaYwE8tbS7oXHufqaQCeCjaxFVwF3eU7YAdEeb2wHeqieKq

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