Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,552,272",
      "signature": "0xb28d8022eb2c00503120721fcfa30b896ed88de62ee61eb861fd93d08785b105496a002a99edc230c20bdef40d1d0096",
      "randomness": "0x19f8f6b1f241d9fb296d1acc7a4d49f228265daa7a63d9e11aa8ab11478829cc"
    }
  ],
  "blockNumber": "7,408,403"
}

{
  "Sr25519": "0x66309ace01f4615aa297ac72167c06f85b43ba8e27a61b1e039664c915cc8c78281d3a04cc28e378acffbcf15869501c1aeb010109a398d8c74b4a5d5903b183"
}