Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,555,149",
      "signature": "0x8a9d616abb7b36de1436302a74f32ac772f0e6798df46649275434a0ceda38f22354a382a67607dc15f608b6162fadc3",
      "randomness": "0x97592b3db29108065e637af6c9d9e1e61e9214e6545bff9608a555265d141c11"
    }
  ],
  "blockNumber": "7,409,123"
}

{
  "Sr25519": "0xb4caf8eb6ac826f580a95b819bebba7be71109cd3c20b3bc39c6fce3087f853880e75d636ca30c29629603d34af827fe01b03832c8bab4b4cb4898c74525bf8d"
}