Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,558,590",
      "signature": "0xb8adec0f9e5b44854be03564df86f6314f1df52a8ff58c425978053be7ead08d4322483439690c26f957bf7a18a0e946",
      "randomness": "0x4d680fb172df9df82482991a0cbef0533de3bdee574807579b1ef7f4bc9db806"
    }
  ],
  "blockNumber": "7,409,983"
}

{
  "Sr25519": "0x32bc92b09ff3520da85a617a69dfa3f4eaa1bfbf81f5021a239c19c404e2694606919e7d0cd0b369593be70e0bf5ce1ada2237e6a60071c46c9e6aa67123b486"
}