Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,548,777",
      "signature": "0x8ff89a7e2d37b0cfe853c7065231dc88a1a12861afbd4c0fe54f6e030a8f6c25b8b62ad981cc7bff54ace84992d335a5",
      "randomness": "0x8523498c094e6c10806bc9666241d2f0a4974307c96f314dce4b8299ec659988"
    }
  ],
  "blockNumber": "7,407,530"
}

{
  "Sr25519": "0x386393f074f487ff4d5565721463e022494b7f31e00e90ec2c8f83dc53404625792430039ab64e3f8a33df62f7287ce46ed11efc8333b4902b34ceb496dda185"
}