Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,549,973",
      "signature": "0x98671ef7e94e143abd66222dc02379e598987d8706bbcedb7b1ad46196ac4d8c4c33a47c88ac2ef6f57ed47208d8260b",
      "randomness": "0xe852b592446020c6effbf74365cd7580dc2f41bc93216333324396e9ba3e8c29"
    }
  ],
  "blockNumber": "7,407,829"
}

{
  "Sr25519": "0x54ccfeabd4f281afd6eb4f057b368802dc719807530ea4856cc025194512a125a013422d01c9d5c8a6d2a45d8a204a7de0417d4159f74d7222504f730818d58d"
}