Marivaux describes the incident in the first feuille of the Spectateur français, and, inasmuch as the sketch gives an excellent idea of the man, I translate it in full.

I knew nothing of Paris, and this merciless man kept me for three hours at his heels, following him on all his errands, before he did mine, in that time traversing the whole length of the city, in order to leave a chèvre-feuille at an aristocratic residence in the Faubourg St. Germain.