Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,558,608",
      "signature": "0x977200324f5ec6802074923ed0ff1696fafc5aafe7f383ef2f455a36daee5cbf5318645a85d18e4e1f38002f13bf968f",
      "randomness": "0x420691b943d1a75ed1e014a8a5a427f496acffc81917e497e62cee90baa96700"
    }
  ],
  "blockNumber": "7,409,987"
}

{
  "Sr25519": "0x0049fae7c10a95e476e974807e7ae20be5349b570417bf475b5e9bfee8512b42a44dbc360dea01ce061496b1e355f5826642f48361cf227f3e8ae116c5cc0a8e"
}