Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,582,076",
      "signature": "0x844b640522b6c974134f4a5d91c307d0ed9c0ee2aff43200b7e2628f219f30516c9adad24fbb949daa408405e77e38b7",
      "randomness": "0x2a88a4adb304b8afc3ce1066b4e74be1bd919724019aa40738ea0e76812d0ce1"
    }
  ],
  "blockNumber": "7,415,842"
}

{
  "Sr25519": "0xb4c18087f322c97ad61fd60aabb54d917bc4c94c7634752488037f7989937069f056e8f6c7a849dcfe46615ee74896590c64da19b929aebc138a32690b128787"
}