Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,544,509",
      "signature": "0x8448fc57c5b1e14740c4cc35a242f77bcbcde78489c3372936b0060b529728107713a267791fbb4cd459d40a6d4b9828",
      "randomness": "0xa6d314d3c244d3e674bec1718316be418d6e96628e41a6f03956ea00a64dd8dc"
    }
  ],
  "blockNumber": "7,406,463"
}

{
  "Sr25519": "0x309b929b6dd286e33aa13080822036005a8b13bf75c8c47c88d6f95388b6307cc4c7cb9d81bc307470a555614e01a6b390c27b612bdce1248f8f5aecf2506c86"
}