export const uint8ArrayToUuid = (arr: Uint8Array) => {
  const hex = Array.from(arr)
    .map((b) => b.toString(16).padStart(2, '0'))
    .join('');
  return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20, 32)}`;
};