Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,547,871",
      "signature": "0xa8447e35d30485cd7fced6d912343b9c14a785792458da395f2b216fa3b7f2e196a86af39159d76defdfcec44c050add",
      "randomness": "0x7b0bfe5d3666e93b0f40992ea0cefd51e0ad87acdca7e250dc80fe0ea2bb62ea"
    }
  ],
  "blockNumber": "7,407,303"
}

{
  "Sr25519": "0xc25fc2548fb4eb7749910b9e39e8377fc47884d84df22628cf859fedeef739376656a93ba23ebcb356182c348e7cda280bc20823aff84c767bf4cec1d7961881"
}