Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,588,457",
      "signature": "0x97d0c2928aa18ae564b243cabbec8176d5c74936e9a87f86f2a8865d5c65bb21b8be641123cf506a3cde60d3f680f78a",
      "randomness": "0x983d4969ba7fed5236d8094466a3193a275e0675cb7a023b2944204393305210"
    }
  ],
  "blockNumber": "7,417,437"
}

{
  "Sr25519": "0xfcfbfb2e2611c412b22cdd54045ccdb22d544796d57462f38face59cc50a691868075ad022c440ed0d00c1c570f553aa336243a40db3dede14a3639ce44b9385"
}