Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,571,869",
      "signature": "0xb977be50af931d50269e4a785e3c0a112fee688f81d3ffe6255e37d2718ae648764692e1de6ef319e770c4ec8611c49f",
      "randomness": "0x71dd6234b600501194bc987de696f74139dc30feb04d1494069064dfee1afbce"
    }
  ],
  "blockNumber": "7,413,303"
}

{
  "Sr25519": "0x5248a90bbb14c95eea63fb4dfeb33bb8f18e0394f2e6578b64737473535f715d0b8626b8140ee9b0635c25ed2925e2e7652a604abfc4883d6c9c910b0708a08d"
}