Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,539,871",
      "signature": "0x881a75ebfd202fcbe3e5c59b9419a5ca3d1d3743b055e7c8eb7e1f708a9925ef67e5c83787a01eae9d8a88eecfb6f38b",
      "randomness": "0xca4e14cbfd436d1cc122a6e8cf308665e17569d1f61c8f9828f42600d9b61e40"
    }
  ],
  "blockNumber": "7,405,303"
}

{
  "Sr25519": "0xaa3bd5e7b96405cf8142fd9bd5d365baa952bfff3ca57c405b1de17984896327039c913357337044335be51a6255c08d967ddf186e95ff14fc6e910828190384"
}