Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,581,174",
      "signature": "0x88e0bd6b9b68b2982d15eae5fa68757295a7d5201bd18b126997e03e453f8216be45e286979b6a19b44a2330be3b470f",
      "randomness": "0xde1e32a52d3c8eb5b5ee1ad85e147db576f3441d1c19c775097882453b9a84a8"
    }
  ],
  "blockNumber": "7,415,616"
}

{
  "Sr25519": "0x2480e548577199c818de7be50509c526d3c790e1b111cd14dd6486763648a77394be2537394ee5d5c5708dfbc61f345e8d7d5d2c93076adb79a71eccf238bf81"
}