Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,607,550",
      "signature": "0x8fccd50a359a2dcf6a7fee6b09553f296476a03a0d7cd516b26c6d0dbc49076a39b911c43f6c2f9ff3d38170158c7747",
      "randomness": "0x9f2c9c72121c698c077b04f0630eb6a2b6dba4282cb80f8b827020a006ec41a5"
    }
  ],
  "blockNumber": "7,422,204"
}

{
  "Sr25519": "0xb2d9f3848e18f6df5087a1f515a7b2bb9ff1695aee1534853f35d146c518bb1e74f836f3f5744b9f9ee8863d4ee78ee8017df21101afb44dc81194fa85627d86"
}