Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,554,912",
      "signature": "0xb877fbd4b4953f9669af4d33b4106769738a74668cf3a8f414bfdda0ef8d54a83034f62c2d90b1d7f134459646311b65",
      "randomness": "0x56f3c0b7465a8c0ba71c0b476a7100ccf6e5583fb393eb46d64121f8c67cafe0"
    }
  ],
  "blockNumber": "7,409,063"
}

{
  "Sr25519": "0x00fd223a218a5a4c09005ecf22690b19b3927a4d0bf721d0af4dfca469acd11a4f0bba5545c90950966a7a051e6e5363904e28a5d80d0e7f1881c31712a7418d"
}