Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,575,868",
      "signature": "0xa43ce27c109796a22b22b6fba29880ed4804deea5d286dbe09c01fb286434f950803c6a4c93331199a3d7c19002c69e6",
      "randomness": "0x7f62439a57569c6e3e6a796fefd7b991e737642ee545382d01c0cfdda4fb7cc4"
    }
  ],
  "blockNumber": "7,414,303"
}

{
  "Sr25519": "0x904aa170688573d8d17cd8de8c70eb15d0af97c99394611880512ebdbecac0799f878c969d297e93818e7150cf8b2f5ec4fceb6d5efdd05598c643352498b680"
}