Add E-Signatures to React Native

async function sendContract(data: ContractData) {
  const response = await fetch("https://signb.ee/api/send", {
    method: "POST",
    headers: {
      Authorization: `Bearer ${SIGNBEE_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      content: data.content,
      senderName: data.senderName,
      senderEmail: data.senderEmail,
      recipientName: data.recipientName,
      recipientEmail: data.recipientEmail,
    }),
  });
  return response.json();
}