Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,550,134",
      "signature": "0xa90041ff0b330b5189ee411df46c5996b41f4364d53f70701a50b363148c9e361094779cbc772d925adab768a1d2dce7",
      "randomness": "0xdc0eeac1a4bb4dde825471a48c3eedf603c3a4427b1b6fd9e11c1009312f4ebd"
    }
  ],
  "blockNumber": "7,407,869"
}

{
  "Sr25519": "0x4ce13ad6f7977f1e5d9e1ffb1ee42d208580cd519cbe5e2581258ae7dad5174bfb888195efac357dd130ec0e16ae3950a9f794686e5bbf49af46669273f4cb88"
}