Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,663,895",
      "signature": "0xa0643adda4bb9a169fb7ff9a6e54eaba570390eedc3b3f816e980a7abf221a546fdf4b6127afa33411896515dfe50d2c",
      "randomness": "0x4d700b8a9f39cefc83824ad46f539fd6b28eb2cc0390e4780903dd71ce969422"
    }
  ],
  "blockNumber": "7,436,267"
}

{
  "Sr25519": "0x26b2077bb725997eacdd1f03ccdf53caedaf19b93e26f30cd9d52778556bf86bec419e9b82a1465c7ee1d707e52aa0043647384188979352d5c63a6068149389"
}