Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,543,709",
      "signature": "0xab8e3f0ebd133f94bac7efbca5bf7064aa06837eb0ddce3a0e06a513e9e7e41c214ca09e1ddfc97d897ac972d2beb73a",
      "randomness": "0xe33fb3317d2af4d2232d2876ad078aab2d67c4c023fc8dd629fa2e3c93e438b2"
    }
  ],
  "blockNumber": "7,406,263"
}

{
  "Sr25519": "0xfa20fb11352ea88d9de31102f1e6e43305438e56db3d6ab67f44acae63e5041ce2d031781a964319b034f33c19c8b0607bae86105dccc13d5bf5d76132784982"
}