Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,591",
      "signature": "0x98d2ca3a7dadeb8d59a8440b76284868dd3e777146bb5339d62cd6a0cc014ac2d78426127b044ffd93d1cc70dfc47a0a",
      "randomness": "0xabc2fdd5b78eb7b9cc599ba2bf9079832a6458205c0a221de4462e06feda4e3c"
    }
  ],
  "blockNumber": "7,407,983"
}

{
  "Sr25519": "0xaa2d40bf4e05f908105bb672c9be91e3f6378b75afd62c8dea870a727d181e606407fb109bf09088dd1dcef2cf1cde6df3b160341263b7802ce01bcd35a6538a"
}