Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,589,668",
      "signature": "0x97e966c1fd4b938cf9cf0ce1d71e37383abdc87973ca0e83c13cc695f436dbc620e43640716ce60c82bad6736f0eac53",
      "randomness": "0x35aa8907c3cbc7d8f17f9678f0c44f3e4df5f1e8326985b62f02b7dec97208a7"
    }
  ],
  "blockNumber": "7,417,739"
}

{
  "Sr25519": "0xa45a526d80676f0acc4c96aea0b4fd5245f0cbd3d5e32bafb3652525317d9c2fa78297ca926b74203e5d9319af13ee28d43bc899096e63c7e5922be6287b888a"
}