Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,574,373",
      "signature": "0x970820cbbd8162146f6b40c6a5753cf61bbb759adce8020f207234993ce9581fba7aeb691628c17f46731cc866aebad9",
      "randomness": "0xa615799a3c4f73c67653749f3c31e828b7f3f129e4b44b97384d001608f3dc69"
    }
  ],
  "blockNumber": "7,413,929"
}

{
  "Sr25519": "0x9aacefd7f3d498a361b4cf1b8647b8af697ce52d8463086e0db693ddf9cc3a441e097902a968c7476bbaca94c33d8159b8b390841d0b740c63a012d410751b81"
}