Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,567,629",
      "signature": "0x8a9b7967752bcf5812cd318ac6324d22c07edc6e78a386a26fb5d6d8e7f9e7a3b42d61bf5defdd457ea2bcaf41f26855",
      "randomness": "0x4b89e161c29c0341ec0dd8dd21ab8ae1e9754f29853edf69838e6a9ce43b9e65"
    }
  ],
  "blockNumber": "7,412,243"
}

{
  "Sr25519": "0xf255061a4e5378b528ff7e3abc24e318bcab35b8d91e35287f77f8b60765f24a22099c646bcba018f20523076e304f0466f4dd2b5033347b29e2107744ac0b87"
}