Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,574,191",
      "signature": "0x95e415d9784ee1da6e597a955019b647b1f44e45c752a757a3efc3099c712a59b3e58a0253a37a68de3902c2dbfca96a",
      "randomness": "0x9f6199a443daffe4193feeefbeb745aa4ed46c121e4564af5f821830467112be"
    }
  ],
  "blockNumber": "7,413,883"
}

{
  "Sr25519": "0x788d8d89d676c970dcea7685f04827406940bc6299a32019644ebf6b63127716f2df1613fb6f232cae2f19c054215ce1debe91f07f098d402a22daa0d596b68f"
}