Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,603,868",
      "signature": "0xb9b2e8c7075a0fde9bde07ec16875346d25662239b0b6e65df6cd66eb0736e3249f4d984406c36c0c33840bd49f9f651",
      "randomness": "0x622435f442b1aa9f0ce08980574ecf40a64b23f53f3b51dfef370b96865e308e"
    }
  ],
  "blockNumber": "7,421,284"
}

{
  "Sr25519": "0x66ac395a43f91552889ba78d5b7baff9950fb0b7ff0120601f447a70a5d1d66f1f3d90eecc5d71e4668030238f257594b3756c48e23a2b3f71d8803dca2caf8d"
}