Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,600,431",
      "signature": "0x8b89aaa446f5af3a25dad32798d7c07e4f7680ec968b60d690f6df376b84cbc850ad042f740b77bd5009015a3e790da7",
      "randomness": "0xcf802622907beee30775508a88425c0beab79c52b7172986332f5223d281feb8"
    }
  ],
  "blockNumber": "7,420,424"
}

{
  "Sr25519": "0xbc45d55e9c58ca8b96b6ec3946ec4fa1a8f8286fd37668bd8605dbcd5fb41514521c20774b9f197cab9272020a56be34e3c7490bca8ed1d010308ff67d22c18a"
}