Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,540,696",
      "signature": "0xabe90c76cf4bad00409e9522368e5e6fce631bfdd9e82377095bffc7dbf43c608668225b4ff8c211e7fcdbaf49ca1135",
      "randomness": "0x430d8896b8f120ec770f26d9e827bc5b690240a0689ac1248586582809d06954"
    }
  ],
  "blockNumber": "7,405,509"
}

{
  "Sr25519": "0x547112f4b3003df7e0668adbbf044ce8f376984bdbf881633b99e7d242544a03689d77c6682665f2fb2090b75015f23d99d2342c82c2aa5b01956d904ffb7682"
}