Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,543,530",
      "signature": "0xa9b42ed3dcf5efd88547201cfb58f2bfde845b31797811b44306285d13547a8abfebf135ba3499cd2ae8f1a6093b2149",
      "randomness": "0x2dced35bf278fb715c42d8c59f3d8594d4f81511ce3d35be669f59fac6d43dac"
    }
  ],
  "blockNumber": "7,406,218"
}

{
  "Sr25519": "0x309aab4cf00084bec7e0fa3b4d0fd7357331a6f11806eb9087817d9340eaef7b70225ebe3f8ee155feb3d8d7e47e9d078833d5806eafbd0c225cdec27c2fa48a"
}