Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,604,698",
      "signature": "0xb9f0720e1655910a716c5cb54fc3c744902458becf4e72871ab6172163089e4e62bd02e01f0186981869ea8861e5af18",
      "randomness": "0xb8aa772864d0e6a61e621e1e6f9f3be3092e94fec25f5b8f8208befdfc59c5af"
    }
  ],
  "blockNumber": "7,421,491"
}

{
  "Sr25519": "0x7296da3b3f7fcf3fd93edafca0c513289449328e6a099d2093f51722c350797572c641bef71ac227744bb909cff9398ac542aac2c5bc69f84eabd1c015bae28c"
}