Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,601,549",
      "signature": "0xacb67bcd6a7bbb6b02b7912ab098b85a38d0bbff0be0c1e58d2aa9c9f5106cde3a75a5ab658efdb333e6ca7f6e3a43d1",
      "randomness": "0xa3af07478201d663ac46e936eba2d1590f920a0df2e1c0ba7e0d843e1c8960bd"
    }
  ],
  "blockNumber": "7,420,704"
}

{
  "Sr25519": "0xf073a3d7382b7ecfb3d76bfd2834e9fe418307935150ec9446f11700a5d8563330c344afcacf9d340b90130a44f8aa3bb9332b0972cf5688515ec2875f65e28a"
}