Write Pulse

{
  "public": {
    "Sr25519": "0xe2531ddf45f17813171106e8f31da6397fd8c270dd7ce268d67ae6fa4ec0fb0b"
  },
  "pulses": [
    {
      "round": "25,548,428",
      "signature": "0x881bb07c912625de5820519c90d0ee8599c038f9ce642cf5341e4f0a6b21f93363e1a5b8980f722397d526840d17e691",
      "randomness": "0x4d99e526859427535d8ac467e747be3ecdd1d28f813754dbd581499c3ef5082d"
    }
  ],
  "blockNumber": "7,407,442"
}

{
  "Sr25519": "0xb6f14c612fd1cc3ffa83b1cee31daa138a51490e9a1fd770ff5d1769c6495c2c1380e0251dfd97610b890308a05198957e080bf77c33fde36e11ee6b65d91689"
}