Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,558,431",
      "signature": "0xb5c279b55f63151b4e10e386742a771128587384c9f63f1aa8d2b1f565f2f40d3f91ba4c6640080fad2eb9f082612211",
      "randomness": "0xea40927376d2c264547ae048009c1962ab07ec0c625badf4472a39a9a710d1cd"
    }
  ],
  "blockNumber": "7,409,943"
}

{
  "Sr25519": "0x64266a3276a10e3ab1b60f0121e3ca5dab01e06a9fc4cac9ee767f833d6de56b044702cdf21fcec53e491a6abeb9d91f4223a06b245d0845d451f672511ce388"
}