Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,637,869",
      "signature": "0xa4a63be4d6c707610550fe8bd66019f877c3d3d7d4496a347bc9045718198f6a530bf8cace3c2e30641bc464f59e5572",
      "randomness": "0x1b0f1914ffedb536ae507cd6b2ea1d7893f33a94d01a1af767058f2081f937bd"
    }
  ],
  "blockNumber": "7,429,782"
}

{
  "Sr25519": "0xa6364be443c973223799120fa68a6cf1cdc96a770d7c350b05ebfe816f383522543bae7c54b5b969c0a41051004bea48ea9de2751a6d3137e583b813dd02838d"
}