Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,631,950",
      "signature": "0x99c4f5a8ce911d04f1b1b9bcf7c009446a4e5b4aec252118f9d00f29dccdd7e68d058e2889314e0f91f7d5d97bf7d9de",
      "randomness": "0x77558a5c75551a76f845d5233fa51c8796824633ea059ea8162053b195c4b6cd"
    }
  ],
  "blockNumber": "7,428,302"
}

{
  "Sr25519": "0xee36591333d1cd026b157c578071f155a25d83eba68edf3a8544c3abb9a0b4112907d5db9b48ed8dd1fe067410ebde29debc2efd3c3f5e947d1cc097e72d118d"
}