Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,607,566",
      "signature": "0x8009b51c1d8977a4f3415c733ad2eda69be208f001ccb9b9a51daec663203fbac22f970ebdf9d6b6dfe8b922fd42149c",
      "randomness": "0x1a21f61766debf5dbd930a51583b3f884c452fb7a0dfad367542b94b6392457c"
    }
  ],
  "blockNumber": "7,422,208"
}

{
  "Sr25519": "0x9aadce13ea2c2b8e154e4e5f545daa7c7714a8fc2676b6ec8e39f06dc30c57220363ca27140240fd7f21d7cbbe8f62b0af7e46c66297c0b1d157f902d2d02d84"
}