Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,578,960",
      "signature": "0xb6fdd92e957ab73fb9feb217fa24f4db652266e19df595211d1d38c7739fa0d545329cece4152500f145a05ff2b8439b",
      "randomness": "0x7587a420beeaf26b306abeda8761f74cfe84a33005d037636100e5821d181ec8"
    }
  ],
  "blockNumber": "7,415,075"
}

{
  "Sr25519": "0x7cc274867336ac269bd09bbec2090a68f8c2c82c38e65636cf0e9d83d377dd2388c08ffd80376c87bd13e7d974cfe95287bce8b5e8d8029a93dd048f32235186"
}