Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,603,711",
      "signature": "0xa25f3a2fa5d4e495b8876529fb4b0ceb7ab4d6b11f708c4bc50a17a4fd01d065903298c2081e8a90b6a50d7b8718293d",
      "randomness": "0xce4409a4a398b5baf8ed5e1ff1be54af60bec51174c27eb46c888b5468f5d60f"
    }
  ],
  "blockNumber": "7,421,244"
}

{
  "Sr25519": "0xc8f38692e51d760eb4466d7d98c75a69d99ce21a9b6975e7db3c7b5fc1a1ba73143848b66feac853420b58028b8b33ae2bd5da336ba76f94156eec8c434bdf89"
}