Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,547,863",
      "signature": "0xb72b1065a93d338c089dacfa78d3c5db9ad0ec57595dcc9cfea48fb44c8eea2de665f04097183efa12da14eb24bc87a5",
      "randomness": "0x883a74b45abd2cbf603bf1ed1bfc30c46cc31acb0ce4df0602e7dce72cf7c63c"
    }
  ],
  "blockNumber": "7,407,301"
}

{
  "Sr25519": "0x8ec8bb8c2f012f7efdc2b3404d7cf2eb1f258dcb4adb06c06adf2e44bfe0fa6106fc08e6d8170d48b68f01b36b021e8145353b0c26e1b997de35879564107989"
}