Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,293",
      "signature": "0x85506b0c79f28d5f75feeb119b2300dc4913475a66699ee137092ef356f85ed451e2edd91b2f9a557cbc1261cd3486cc",
      "randomness": "0x0bfe0d9897363c7b455976b733c2d08acb85efe06eb70d5fe8d71c3c140c8e04"
    }
  ],
  "blockNumber": "7,414,909"
}

{
  "Sr25519": "0x8601e56db6ac7d99d705f0ca5f001692c55d30b090125073cc46b1226507440dad3e954247474618d14ce3471d85d6c051eb982d568da3487615d2b7670a8d89"
}