Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,545,472",
      "signature": "0xb695e78c36b2a44f9d53060f4c2670f100d54bd70a1367c6498aa3f909050b3098a0ca47ea3bffeff3f83f3421f26c5c",
      "randomness": "0xddf8f945a197243d45ddff3f9b137fcb76a1c8885490d6f38e764ddb1655e1c1"
    }
  ],
  "blockNumber": "7,406,703"
}

{
  "Sr25519": "0xfe8487b6521c390772026ed4fd17275ec7b173e3cadccee80c009a22a0ee665519a284c0267f8508a144af85ffefe7e6c81b1819b21471dcd02d4752869feb81"
}