Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,546,511",
      "signature": "0x857a318c8269f7732e52b6aa846eedffa6a6ff7b0803350dccf126a43df693016fe0d18ed4e3b9f3aab427a6cdd194f9",
      "randomness": "0x9f5c6c9374ab7f31e28acc4d34ccfd83ea6fdf9b5bd55f4818100dc877589ddf"
    }
  ],
  "blockNumber": "7,406,963"
}

{
  "Sr25519": "0x5212b108f961537b284cff453eea347d80c68ba88169c521fbd9009319be054b13f89d49b0ce2f43b30457fee7b7f92d1c46b8d946648bd5dcc6cc99ed172e86"
}