Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,597,710",
      "signature": "0xab138dbcc33f27d548dc9d6aa79dc8922bdd0ff320a70e8de980272b086b9f57b728bc188598039bd14464a827560a51",
      "randomness": "0x116ea074315514f67a3423e724a20609ed823f8e09490a06d844728cebdc82ba"
    }
  ],
  "blockNumber": "7,419,744"
}

{
  "Sr25519": "0x7c6b4e40cdbf8376331dcc47bfdceb24e3b213715370b56a48304fa6b6fe7c436df11402a9c70120e45729e743111c77775c664c5db03cc737f509ae63bf4481"
}