Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,627,256",
      "signature": "0xb7156642a6de337d66ec3d43c4a95680ea7fd8326c610f3464ed524ba531ca4b52392164c697f5fc2219ce80128adeb7",
      "randomness": "0xbeb6cb44a7780c5512eab68739f33aa1bad50e1a7d4a1cb0657a934c87046fa1"
    }
  ],
  "blockNumber": "7,427,128"
}

{
  "Sr25519": "0xd67500a9eb0ec8d8cfbcc4eb9ffe1410b478e004c2a1091bb6bbd67b86fb0e2ca373c6568834e0af702f0a5acf4cf1432a573af415552d537bed9c03fc012481"
}