Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,578,109",
      "signature": "0x80104d8c27f1d46c63997b5e37ec342fdc73dc52d2d339bc7eaaabe127ee4a4a5c4389b93792ef1d1b9541820e4a39da",
      "randomness": "0x57f6c0c6e148169b2265a12a69ffcd78ce3793638ce188dab062a75ff18b0ad2"
    }
  ],
  "blockNumber": "7,414,863"
}

{
  "Sr25519": "0x1ca4c542f57e7584a204c53a6d10a1ad5b17be220f58261ec4ed6ab844f9164f8881570669400c0ac35c2092056628672d68c71344f003f8e2d0fff68f973f88"
}