Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,550,696",
      "signature": "0xa53868b22ea2919757d0efcab8d61666c525d5ab2db4cb68181ab3f1879f3a8349ce7f6d3c44a0f38ea4197095cbd0cc",
      "randomness": "0xc8814b0e600fc6b432a558bbde0ce7377c07378ba7ff7d6b8334388d0f4ac39f"
    }
  ],
  "blockNumber": "7,408,009"
}

{
  "Sr25519": "0x66f096bc51bd7b6f09e785fffdb235732a08f7cf33d57cba9bad34d8974f3f754681405f5037fd7ce2cfa9ca6f0615850a6507af7e86d11b523aa0b224088284"
}