Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,587,572",
      "signature": "0x8295ff5b8b48f24192bef6f64ea53829bad91699ea25219b7a65a80d024d6a0a23a87c945c4bfb805ffb837aa7d53857",
      "randomness": "0xb8278484e1d3c4471c8d75ca4953278cfd5978dbba59e8be69eb18ed061d0759"
    }
  ],
  "blockNumber": "7,417,216"
}

{
  "Sr25519": "0x0868523e14d12b79241950881bdfda4cdd2c1f2edd584d9579850a5854a4a94c180651b302fe6d0bc9caf4b1219e8c61a46c05730a3f1ea990f5ee98db58bb89"
}