Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,574,250",
      "signature": "0xb60566bc6beae3750bb85979dbee9d9bdb134c26639ff78618999d7df9dfe5f6d359c18a8c17d67ef25a38727401eb78",
      "randomness": "0x05b18f8914771e7063fe3249594beb1e4a6fa7cf59c7ce963e4fa40de04da346"
    }
  ],
  "blockNumber": "7,413,898"
}

{
  "Sr25519": "0x2465fb7f652ad0cd79b76e15928cb7e83bdca92cbbaa17e1fe04d2a22ffb540410feb96e7188b260048535affca938da15f50da05c24cdddf438cf1d1df1118a"
}