Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,572,272",
      "signature": "0x899722ff14e91ac3b2e783cadc4af5f6efbe0fe74351b24a3c0c114217f54537851c79116ada99bc9a34255bdab2447c",
      "randomness": "0xe69e68bdc959e6ec14aceb3c10d252c573399ff15b44cae7ccb5bfb7bb72bb1e"
    }
  ],
  "blockNumber": "7,413,403"
}

{
  "Sr25519": "0xd656212ff83881bb12558832c0f4f6831f1d76e95e31e3cfeba59c660fdaea5882a68892c2ee01909f1a1962c7edc02843a51263ee8a064da2a580323786b689"
}