Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,574,990",
      "signature": "0xaf612939f17c7749ee6ac3b72e85c021059b67be3d8e4b6d281fd84b38d9a4b3d7b1c333906075740e059a9e1883e49a",
      "randomness": "0x6b81b1554e4b2863b54ca9c958b7cd5603cd00abb6d06ff55291c2df914eb3fb"
    }
  ],
  "blockNumber": "7,414,083"
}

{
  "Sr25519": "0xe69f92c1fa1e65c5fe97117bc39d64191d1a67a74938bec501f4c9924f35451d790b0c40664a1d80bc75de0ec8898fc9c6c221611edc9beafe7cb4f3bde75c8c"
}