Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,470",
      "signature": "0x8dfb25ce3ec5edcd8de933bb396abd77d82be6498ef6b8343a1d69600161807335414b107c166158de4260b749fc429e",
      "randomness": "0xa8819cbfedc10da332486aabc90a166c7d2625aafb7dec321bd41b53ee697087"
    }
  ],
  "blockNumber": "7,408,703"
}

{
  "Sr25519": "0x10d4e9343c696414435ce227fe08b0e83e5d3bbbc076e64a37229ed7ada59a6e9c5a873dcb7791703ce81338791fbfd86c57b563335ac87cb67dfef883245182"
}