Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,559,173",
      "signature": "0x9758f1e971dd98e45107aff98c6fb220d96196479825e49810f6616b0630d40279f22250e31e08f5812957294c498d50",
      "randomness": "0x1be9361d1a59079f12b5523f1f26018da6b6afd76e0678a45a9ae97bfa3206fe"
    }
  ],
  "blockNumber": "7,410,129"
}

{
  "Sr25519": "0x9e27e79ac757294b1cc650cf2e3ab3a56f4adcf144c7fe3069f453e9ae96d329d89e78d0698ee128563bb0b5fe7f09141c262f901ab81eb351f3d6d34e5d2584"
}