Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,709",
      "signature": "0xb90d44b20e619ca284892c5dc28a3d7ddbeab923a474d87f5c3278e854b924125d197a7d621fd6a51aa7ce8e445a0052",
      "randomness": "0x20ef9992d90046b95181ad5d9353b1a76ef6ee340f7eb0db6925e8aa43e5acd3"
    }
  ],
  "blockNumber": "7,408,763"
}

{
  "Sr25519": "0x7658132ed99c63af616f6fa1c7dbffe3a7e743e93459f5a872d49e0ffa583c1b6f9e1716f8d6d096ef715618f05325f2630cc6a261f2c6104852c275390c9584"
}