Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,562,991",
      "signature": "0xab07b6889ae6a4e98cd56141d707304759867cbcd7423881d277300817288c63fa17a24c838266a4675fe6b5fb9c6419",
      "randomness": "0x67df5616ea4f5d21222d095b21c617650456a6288bb744ad46a626aab42f9cae"
    }
  ],
  "blockNumber": "7,411,083"
}

{
  "Sr25519": "0x8c0266fbff085e75e4c76e67d7a6dd71ddda4b4a4d495d15fd43c6d9725c447ded83e64a1f345ddf31f8a1be5b98b731dd4a45030d61e94a9775a71bf81cc083"
}