Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,389",
      "signature": "0x985a6655b4ca3335b4bf4fa7da1b96a8f98ccdf78974aaa435ba8adfc629c711482cb2f847dc0b2b325f9e8bcf38f3cd",
      "randomness": "0xe20573224793743145777ae73555b4f2940af266a7af09af351fdca2455d7fa9"
    }
  ],
  "blockNumber": "7,409,683"
}

{
  "Sr25519": "0x78baea6cf70a018858d17caed890a882b65853eecc638e014539942561ac5e53b1ce3f9c163deccb0ff0835a8ed6ade389e7e5ebf46c892af322f300f055ba8f"
}