Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,581,709",
      "signature": "0x9033fc493ed053fdcb1b1b94a03f8bffefd6e75172c7ba7a1d02d6000795bf603e56d216ec2793e413d194fe6aa36d16",
      "randomness": "0x6b15feea192eb36f2a103efdbcace60a0b86c265a26dfdf97c9e6ff02fe953a0"
    }
  ],
  "blockNumber": "7,415,750"
}

{
  "Sr25519": "0x4aefda1e45cd99cfe1126cd5a6bfd9f6b3f415506286f61f4d538062bdf6ed6ab0f423bc48a58f21460c3e40d52d1b13f4f1699d259dbd3b1df93bb541d8f481"
}