Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,657,048",
      "signature": "0xa7d497ee24506080771c9bc4f16b5232a744b6b7bb814c70303f02d1de384f5bc774247fd823a821244b66b80248143e",
      "randomness": "0x50a22c2d811e46ac53b5ff932fe8a9e26937a919c886cdbf7ac348e075e01486"
    }
  ],
  "blockNumber": "7,434,567"
}

{
  "Sr25519": "0x18bb96679639cf8ddd06c7b3c36c4cd78d442e571c090e24faf31bba2e935c00b76d9967b05926681d59649fe006986fd75e5cc1c4b5317a87f76f6aaa24bd82"
}