Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,637,551",
      "signature": "0xaff51d6246f87ab7a829c3f4c5b9a7b47bdd8d385c8494fcc701063b6c836d6e258c7153bcca0da3d3030d06bd6b4cd1",
      "randomness": "0xb2a04319c18642940990679c11ffcf3a0bea23c4fd7e17d2385f089cf1cf5c9d"
    }
  ],
  "blockNumber": "7,429,702"
}

{
  "Sr25519": "0x2674c940b22c579808afdfa8e8f8fd5998f8a7f2c777f6de412a3c30aeb0d818f5a2364c88336ef392acb937cc868365d30de3bb4bffc6fd241f4d554ad8a686"
}