Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,591",
      "signature": "0xa24fa0ec63e8e53feef9f05f14448ee763d19301976100793206d2dc03d2a29c89478a7e6d959fe28c5fe8cad0e409d5",
      "randomness": "0x146a2191d6ed6ecfaa9dbc24599cb9c03f1b7bf568e4bf9be0c7d59a630731c6"
    }
  ],
  "blockNumber": "7,407,483"
}

{
  "Sr25519": "0x660485fab876b5f6cd6aad9b89300563eabbf0b438e1c149d0678e4e15de7007c91cb51f6baf06806369b8f2dab240725146f24abaae706c06dd1401a31b8287"
}