Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,550",
      "signature": "0xa66820c1cbd5b096331d140f746f43d8deb303f19c0f83b997098759a65c77abd1ddf3aa36e8068a8d17e443bad37847",
      "randomness": "0x6e3107a63ca6c0921b34bdab388439cac479ab9f34a158a303c9d868c821bc3f"
    }
  ],
  "blockNumber": "7,408,723"
}

{
  "Sr25519": "0x665c443ae44767aa61762f1c5e43d58f99645a0247c2ee4fbdf98fe7c71e9713b9bb64437e57ead06d9890175f4db12ca2e60437ea6bca5dfbd8bac84e28468f"
}