Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,553,371",
      "signature": "0xa73a359e193a896ac73c1ca59d00706a7b080c2a85996381c59c4a312da89e8d24b45f7312a5b0c8f05e945c8233e414",
      "randomness": "0x5d0f326577cb31f81e7cdf0e533f0782693844c5a60aec7070c0da280ca87fef"
    }
  ],
  "blockNumber": "7,408,678"
}

{
  "Sr25519": "0x3872d4b5d3da94bfda58b1cc8fe1793a10596c8dd8e41c1844bd00b0929c6233179643442cd47613415fe3529f255522985c66d5a98351893d5748b9c531da8a"
}