Requisição POST para criação de nova instituição

createInstitution.ts

const onDropFiles = useCallback((files: any) => {
    const formData = new FormData();
    formData.append('data', JSON.stringify(institution)); // Object with all the institution's data
    formData.append('profileImage', files[0]);
    formData.append('galleryImages', files[1]);
    formData.append('galleryImages', files[2]);
    formData.append('galleryImages', files[3]);
    formData.append('galleryImages', files[4]);

    axios
      .post(`${process.env.API_URL}/api/institutions`, formData, {
        headers: {
          Authorization:
            `Bearer ${token}`,
          'Content-Type': 'multipart/form-data',
        },
      })
      .then(responseAxios => {
        console.log('Deu certo!!!', responseAxios);
      })
      .catch(error => {
        console.log('Deu errado!!!', error);
      });
  }, []);