Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,673,176",
      "signature": "0xa13650d71e3b3a886bc308287ef563c510c96391b460b1338cbd9808964ada0361e47dd28f73d2cd8982ed68b1c1468c",
      "randomness": "0x55acec942faaeeb4aa93d2f95a1698580e34f0a10d2e8ce8ebe73436220f2dad"
    }
  ],
  "blockNumber": "7,438,585"
}

{
  "Sr25519": "0xa0b98b7ed1c29735425cdc578f89a4224cfafa6b3328a1e00f08b6809c329f5b7d68e4a84f7f4de91cd994edc11ee110c8ee414a65ce7706cb0e196ac22eeb8e"
}