Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,612,109",
      "signature": "0xa942b6666e37f8e45951f09d3ffb476690b9da04ca998cbb17734e804c339dd2a5230630386e1688d47727644168fc6c",
      "randomness": "0x4104b8dd3effd2577f172d656ac3b8d44d7736ea1504fa69a5690b8d293a74e0"
    }
  ],
  "blockNumber": "7,423,343"
}

{
  "Sr25519": "0x28e555793086691e92a5b7229c4153fd4927a8dc70ddef70e6d9623bf8549d6553f9793d1f1440fadec278d9f18bf3e392935a30041948c965ee78e2aa8a9f8c"
}