Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,548,955",
      "signature": "0x9591b131b69d9cabe6d07c8385e478a4d7e657ccb033e0ab77b404444a62a2a438b074597c95f4788e8588c120ff6564",
      "randomness": "0xb70fcaf4624d7db9125767e764731e1a23008bacd376048023e7f0e4355dce1f"
    }
  ],
  "blockNumber": "7,407,574"
}

{
  "Sr25519": "0x966504bd3ea32da972ed8ff1274d95002ef6eebdf92cd7bfe68b69dd4baf4310eb98254587dab979c8e3d5054723b3945db73d694e39a3b21144e6134e8d6e84"
}