Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,548,950",
      "signature": "0x912160a5933a65a0cab9f431561d55ce7cdfe8fbd93c6fb392cfae3c0f2084ba52899581ff9734d44c906dbad403aca7",
      "randomness": "0xfd98c60d3760d0b8e2d8a0d599aee638678fce62b5c497d78e6f8015c08e4829"
    }
  ],
  "blockNumber": "7,407,573"
}

{
  "Sr25519": "0xf886ec46431a5a7d3622deef2e482a480ffc7391e478871c485efa1810f204288cfa93bd660b334e1003427d5a2827d85f17b6353839f6bdae4cdfd999f8a48f"
}