Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,991",
      "signature": "0x91b099d5f9a6d9e7630b269049473e36cfbadecdb28653cc8fcc81a34a76c3431db76381f3940f61b916164dd049bb1e",
      "randomness": "0x977fbdb49c02969c8a660824c977b7019fec69a893c5b206a46845a86d4abfa8"
    }
  ],
  "blockNumber": "7,408,083"
}

{
  "Sr25519": "0x0a3aedfc57c223b41ace181f4670ff879d546a17c0a6b511d351705575bf79156f686e7d8ae72e33da3fb8a039db93fc51bfcc94346a2fba54808426c7631a8e"
}