Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,608,613",
      "signature": "0x93556753a87e1e6059d578722321b25e94a368fa308501eb3eb438cc475218ae0f52efbdc948cdd431173d98af2f930c",
      "randomness": "0xcd8012bca585de6378ad98a342d9b62b88a564ad1eb822c16912591251f8a565"
    }
  ],
  "blockNumber": "7,422,470"
}

{
  "Sr25519": "0x34528c2e31635fe1ffed9097e5b49c28a934266a7611555987d6a9f85da61746e415b2d8713ca2cf3d36810236250df624b222aff00972a20c808fc5cf7fff80"
}