Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,624,133",
      "signature": "0xadca19ac6eb0f5154b96317ddb35c0ed04a9fed879645835e8f530e9c5b407f7b81189cc527c703b0e4b75510fd3d7d4",
      "randomness": "0xd8b0b545a7411fa914f69aebc4597392a491cc9f06cedfa83b8aeb672f42e0a2"
    }
  ],
  "blockNumber": "7,426,348"
}

{
  "Sr25519": "0xd2dd0df3b54a82c4a0fce0a2d67a458edb09001f25596172da11a27237738a35ff923ff6fdbe32323e8f3a148f2efba4121ad7cff932abe2f2d8611c576e208c"
}