Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,575,815",
      "signature": "0x93dd52ce0e0594bfa96ff1e4ef641028fb356b060eabdbe150c6740e6675653569c93eec975626837b327d0df9f45a85",
      "randomness": "0x94e85fcd08d4fd7f61808322e902d04f1a42b4b0321edf9261e894c9538cab97"
    }
  ],
  "blockNumber": "7,414,289"
}

{
  "Sr25519": "0x804f7d8c3f0b47a217c61a2245a08a75f48d6e87f989749940fc5d6568915b7eea6e6c993525ea22d28823aecdf0deed11c55de58d6f3ef01463256d66747b84"
}