Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,580,909",
      "signature": "0xb7b3694963c02741a12130f9cebb4c40e322290505f0c955d7d764711a1432d8a9178d06f9a1566a842c9f70af256c05",
      "randomness": "0x3449d040ec250d4a9ba7082d9f0569b9f7ee75caf4f80263c54e2ded7712debb"
    }
  ],
  "blockNumber": "7,415,550"
}

{
  "Sr25519": "0x2098b0d49d5e00febefac1e41b6aea21654455dc6f93998352ea0b107a5f747cc22324718dfcbba120317bad4067022611a18b98ab46fa73aaeb9e45b2b37b81"
}