Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,545,451",
      "signature": "0xb793e7073a650e45bd89cf1875d8fbd3569a8d818c34366ce3a5c1764b2488eb558239c07381e0b07288dd800174af7c",
      "randomness": "0xb9ef2bc1f2356df5e6636e60d4130fb1e4bfa12b6dc699e5f26915000afb6665"
    }
  ],
  "blockNumber": "7,406,698"
}

{
  "Sr25519": "0x4054929fdbcc86d36249413947e9b4f2005275b6fa56b310e0b077c380f6df04a897656c54d1226a21e5cb3e00440d92a2aff40bf3e634201a481d6889ae388e"
}