Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,560,910",
      "signature": "0xb3d85b98aeee3772f7d756429b3c8ff340eb3d804442f50b89e5e0eb0f3950b713d72d5dd12412f171f30b1a536c0317",
      "randomness": "0xc12b656f92a51bf60d2713a754bd5464b7e95962a573274ca300daff64c5f303"
    }
  ],
  "blockNumber": "7,410,563"
}

{
  "Sr25519": "0x4060286531ac9659dc3aca641ab55f4d1195f2d72c6a0651daba9818f34351510bb2307e3661287e39ebed4a3ee0e94272f17816950e711ba7fc35b3508a2c8b"
}