Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,599,872",
      "signature": "0xb7c83529f2b7184abc43bbfc49f5f709e72248f649211612940b83c98a52a5e5fa374cf88998538b415f9d55a93c0053",
      "randomness": "0x2baee6d648755b8861425ea9cf8ad0e027538a0c578407f13f51a735661677c8"
    }
  ],
  "blockNumber": "7,420,284"
}

{
  "Sr25519": "0x62267287b71c88885bde67aa20ac8b9e392ec058a5965614de2d4678d5c9f207b8c4eebe355564dd53b16b07cf12fced6fb05996d9a2f7f0647d25d4cf38a98c"
}