Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,595,894",
      "signature": "0x8b27bc7046e5ded0734495a8fdb4a276b2120fb353259823781f960f8a0bce099b7d2ec41f67dc5d7356b4754fc4df05",
      "randomness": "0x66e417937f07f8cdf1c0846b346d7e2d17f8dc570bb350807dd95feaacb9d556"
    }
  ],
  "blockNumber": "7,419,290"
}

{
  "Sr25519": "0xaaae3d94ab6f21ec7a36054d47981f649c018ccbe0e8f292c5e06149481c875e5df8bfd0182cf787e2d5a372144d456d8389d84ebd69e19d20d548ccdd2e178d"
}