Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,568,476",
      "signature": "0xb1b2145d26cffd12eb731de70ebc525d5a96777f1c4f91e6baef11ba50f41a9f269f9cf1d4e5a10a6b31eb6fc1b2e406",
      "randomness": "0x99ad5fa0d314759ccec5c499f547cbdbaa47bd7e3a2dfbd0e690cc840834eff6"
    }
  ],
  "blockNumber": "7,412,454"
}

{
  "Sr25519": "0x0c89643a709aafe8cc0c73f77df25622056e36eaae42d3534cf4696508a92b073129c3c120b38591da1856bc6585ecdfe125c5329ffd14f6a2a0e7cf8a06348b"
}