Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,470",
      "signature": "0xb05b08a44cf36975419b28cc3b6ec8503305ee06ec255624c076e7d24ed526c552f4a05024d366f364c791202c33f897",
      "randomness": "0x4f834cfd1f1553becf64b15686b5e7d75564c9dd59f7751fa233697cbcf9825d"
    }
  ],
  "blockNumber": "7,409,703"
}

{
  "Sr25519": "0xe8307dc4b66876dcbbaa2b66a8ac87b992baa85ac16b7610210d4191a883113d8946f0ba1ebecf834d5c5dc5e44fff75921e121216d8236e8b220a7c328f118d"
}