Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,582,192",
      "signature": "0x87bba2f02b3fe429519b4063e6d9ba7d40d2584e18680509996c64524f78f57db4784ca5f4c489ead10172777b777a92",
      "randomness": "0xbd23250e9bea5e0a766f5a71a091d845c8a5f11a1f39a3700910dd0cca4041ba"
    }
  ],
  "blockNumber": "7,415,870"
}

{
  "Sr25519": "0x687754e7fc46b36f5ae1bc92c08e5c3743a66560cc73d348f534d99a5a747a3fb7189093b6634f81c6d5d57c0e025dab8763c28b7655265e2f6bdd847f31428b"
}