Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,555,677",
      "signature": "0xa7cf5b529a4be00f6990e915204a00d8824624e49277f813a0359219e409e1decc7dde1b1781e5351f8ea6f0a087736b",
      "randomness": "0x208f2e6007c5a178736675156e8d1b76f7126ff66dffc7762d2e69810b92a7bf"
    }
  ],
  "blockNumber": "7,409,255"
}

{
  "Sr25519": "0xb43c14bbedbb1f4a0d88da3afa32f69b98f07673082e97f7a266dcdd3ba4fc0166adb86ff0975b72b2c7155f9d0ed29ecc947c9bc84044dce5d847b71801388b"
}