Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,607,551",
      "signature": "0x8d84d07ff32185a97fcdb93ac0db400d0bc3d4eae4259746c420ab10d8905bb6c08d54d5e05c77c9f0b5baf7bf2002cb",
      "randomness": "0xd8d00f7ebe6e984507edd6f92d0b543697b1b20a3adb59720b8138aac1d92d4b"
    }
  ],
  "blockNumber": "7,422,204"
}

{
  "Sr25519": "0x7e8a16e7cca7b3b0b3c595105f2ad78f3835b814afe9bd7d26cd984b91b2f060410d5a6105252a985ca3f4958e89e0ff5953f38b0e096e86bac1a8f3f853d08a"
}