Write Pulse

{
  "public": {
    "Sr25519": "0xb43f0fa5b22946e5227577fff32be5f066404dfae24b9a00ace9c51145c22a3b"
  },
  "pulses": [
    {
      "round": "25,672,254",
      "signature": "0xa4fc33130fdc249e02e46657355fa72ffd3d96d4ef70587b0df6fa238dce506cc351e36d9af9a49a6df365b3ac911257",
      "randomness": "0x70758db03b71ec0e9704d80d6e415f7ada458b345c498effa70c081b8a625028"
    }
  ],
  "blockNumber": "7,438,355"
}

{
  "Sr25519": "0x42bd4291b7b6f6a7ccdb2aee67452f8daec38bfefb4ec53982d09e0689349b65fc44ef86fa8e51373f0c2c7672f27bebb4e3b0e15dfe4470f19080e007c4ec8d"
}