Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,606,504",
      "signature": "0xb82d57b93ad47c5dc89573af40604218164b93fce03069501dd8218874c018a8a63dfc897adc216f9f630aa185986c4a",
      "randomness": "0x7fe7643f35a9f4cc8faad6dae592d5ebea327c18b40ffffb994059196381dc16"
    }
  ],
  "blockNumber": "7,421,942"
}

{
  "Sr25519": "0xda1df2ebe8a1f20b0245122424c27529ae688c383328e48e5e2b9c4d7a644e1efa67d922af32f85f437b6a6b4f4ae1d932079024f06166c010904e64a108398f"
}