Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,667,849",
      "signature": "0x92ef03375c234569a7195bb377be819ee5fbf24991d37f1520bf158c7fc753e3a54238ba9be8aa23991786f49d2f4edc",
      "randomness": "0xea60ab2b74f220c44c9db95cbf722037f3402346973b8bb42a762e872877d47f"
    }
  ],
  "blockNumber": "7,437,254"
}

{
  "Sr25519": "0x7a9c79226f29a7b2a70dbb94c3802a5b55f5638d9eb09bd9c7b403bf6b6b204384fc33bf5067883c95fd31f2d2fd53d15e9a34f033064f475476c6b515298980"
}