Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,567,551",
      "signature": "0xadd144ce3e022e1d61f90d963c26b7bb09c68d9dace584330ec6ec75e28a2b60f0b34abf657ee98c52aa3ffee61c5d12",
      "randomness": "0x9d61d34291aae3827f20c263dfa68c4c97b5ba84e7e89ea046cb651eb0c051fb"
    }
  ],
  "blockNumber": "7,412,223"
}

{
  "Sr25519": "0x345e5f129cd40701c23abe82ece725a6ce287d8ad91b6d06f681a5b2bc695941f15675ae0c3ff1caee2f1971f6fd93791be0e1980d4d92f99cfa5b0c106e9885"
}