code: async function generateMachineKey () {
    let parts = await Promise.all([
      randomHex(8),
      randomHex(4),
      randomHex(4),
      randomHex(4),
      randomHex(12)
    ])
    return `${parts[0]}-${parts[1]}-${parts[2]}-${parts[3]}-${parts[4]}`
  }
docs: example EEA58055-E4E8-42E6-B89D-DFFBBD37AF57