Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,578,807",
      "signature": "0x90325d6743b7b375af7b3d9a0cefba06fd76389ff0e6f95649b95057cf242661f98fb7c929682493fe08f2e7755c3f82",
      "randomness": "0x06061fa78c5823795fa412b6f3789a21df5876f0a7cb361e8cbe9deb1d14700d"
    }
  ],
  "blockNumber": "7,415,037"
}

{
  "Sr25519": "0xce3f60a788a89facc13b0145da3f37e2dda38e396b8416b2c314f9a0dca9ad04c820e60ad3884d5571c3712cc4c2e0bc45f1d4d23a5f06beafd6789e16a5158d"
}