Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,539,230",
      "signature": "0x83674fdc3bbe4be8db4fcf61c4e1b64ef2f1cafd43bc4945390901da9badf8df176f2d6e851caf3f6d1b12d847d6e0e1",
      "randomness": "0x663d5ef6f63b27f7f0f0bad0ee04d21565cb2d1d9d2f39cabaab095c9181146f"
    }
  ],
  "blockNumber": "7,405,143"
}

{
  "Sr25519": "0x505898d2a52577c7d3b98583193eb61438e3843cc61a352ea6ce7f2e75648136d170ae97460305ea68a12d8780066ed24e05732a1533329ca86501a2f83c6080"
}