subscribe.js

  const subscribe = async () => {
    const provider = new Web3Provider(window.ethereum);
    const sf = new SuperfluidSdk.Framework({ ethers: provider});
    await sf.initialize();  
    const user = sf.user({
      address: await provider.getSigner().getAddress(),
      token: '0x6fC99F5591b51583ba15A8C2572408257A1D2797'
    });
    const flow = await user.flow({
      recipient: '0x89Ce0f71D7387a580c6C07032f74f393a65d77F4',
      flowRate: parseInt(0.01 * 1e18 / ( 60* 60* 24* 30)).toString() // 0.01 wei per month - paid every second
    });
    console.log("Flow", flow);
  }