Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,558,293",
      "signature": "0x8cb7606b75a57e22966fb43ae6469cf1db451c3cc9087de8d972989b22f0d200e69616deaeefe6fa53545c5fbff93415",
      "randomness": "0xe60fce52f26f57d232b2602111eb81f6c600cfcde833a383c851de984ca5775e"
    }
  ],
  "blockNumber": "7,409,909"
}

{
  "Sr25519": "0x22f2d532d0a2390c3000ba014a6c03c0f267845a0f3a0a5ff35ce0fec8cef07f795f9f2d0dc1a1871042f701db07f35c1b01e1e1b025e6958548f7b8b2c66286"
}