Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,574,430",
      "signature": "0xb0a1bb7d5bb7cbfd23df4c49548078993ff1011414725f65a432e996c505db4fae2f420e0f3ec9f9db7e7d7b6fc3327e",
      "randomness": "0xa9d63a60d99d1c7713b62a6f40f6c3c0dfe2e1bb2143583bc09ef839c9b1b45b"
    }
  ],
  "blockNumber": "7,413,943"
}

{
  "Sr25519": "0xfe1b15aa17bea55a7bcd5e3dbc50a2d903a77923f6895b0a62ece8e34bd1f2271485cc113a3853a8f3305aa2718b4e1bb7aa5cc8811653826ea5a4f83d29ec86"
}