Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,567,929",
      "signature": "0x89b4e2e59fb752d0ebb0b044433f2ae925fd4e4384cd25e9adc52a7d84f5f016830c33368e189ac05c53576cb6223741",
      "randomness": "0xf6cb2bb61045d8f318666bbfb8e06826ae58118afb6c60f347a103541b6e0f28"
    }
  ],
  "blockNumber": "7,412,318"
}

{
  "Sr25519": "0xb2173d5dc31120ff8c29858bf6537b6980ec8272920473daa48c1431f087625b387444b6cb63549855f59803962143310e1cf7278e1562fb50da7703c9d6638e"
}