Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,546,294",
      "signature": "0x9297fedc596322c6cc10c3ae6c4a7431269f1ef3ede5c5b86dd9d31d662a5eea7056910732dd75be1c242343e8e0339d",
      "randomness": "0x3ce05761418e2089f065333790094f4c99b38fe87db497a9a45de708e7d8d6a3"
    }
  ],
  "blockNumber": "7,406,909"
}

{
  "Sr25519": "0x98ae3ee70d9cc1637366b96272ea074c4ca0e5960779c6f6e7c727f44efff210fb9d0cb8947d9f6ca9d9c3d49530dadd0f3d3b018ef1c787f5d098c924387686"
}