Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,597,790",
      "signature": "0xa5f53810253c48c144d0f3d2f89425f345d0711dda0480d01f3498a2192aa969a8f7cbb48648895312f31a55f4452873",
      "randomness": "0xefd90eaf8937e48214d08769214a4db0a2c449a9dcf311da3a9241ccedad481d"
    }
  ],
  "blockNumber": "7,419,764"
}

{
  "Sr25519": "0x48045cadc5614ba8b090ad304b97f00279a26345e2d0ad520a68e54f8d87452184b323f3b2f008c7e6209b86192333cb9be1158959daf558680280990eedcf81"
}