Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,554,432",
      "signature": "0x905e37efa930dcbebd70f1af27b6c005d14dc14d4ac81ee29ec46be189f4dad24720ba742602cfd47dcc7cf2024df5f6",
      "randomness": "0x60514209c402d50c8fd5379081def173ee2c5aa186f801a4c0c30f5fe683bf41"
    }
  ],
  "blockNumber": "7,408,943"
}

{
  "Sr25519": "0x16153fe08503b92c266e6bdf919574bbaa724b65f65547c072bb33f516fd815524106750b7ad5a33e5ff610f7b1a0056040b52d33bd224f7fb1110e290d72b80"
}