Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,559,752",
      "signature": "0x9758fa6b1a4fd1dd140c427c85fa814abb2a87f71c1f23d2d67cd9d5008bafd77754a4b1fc33be2caef46e2ddea9460e",
      "randomness": "0xc77e38537af249dda8dcd6bf01838d9c1218c9104e25327fe90e7f97b5354b8e"
    }
  ],
  "blockNumber": "7,410,273"
}

{
  "Sr25519": "0x76611b861bbea7b92ef9789a36dda43b24fba58e43f05c8a9ff101379817b423b1d29cdd94bbd3037e85ce2bcffcc219d5ebe29ab32746519925e5f7fc29c488"
}