Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,554,225",
      "signature": "0xa4fcf7b3ff13bfa0d4516eca4d3e6f42c1eeb940e9809d8915eafd2756aab4e6379cc76f44da34c9044f80a589d20b3a",
      "randomness": "0x4a28497bda7e1d3acc4d8d5180d576718d5afb310c5c874348ddaec730dd3f72"
    }
  ],
  "blockNumber": "7,408,892"
}

{
  "Sr25519": "0x78b8d2e4db38e1b51c839a0d869a7a2877f509e4eb2f06f905f0173841a4de11f4ec4a00b7b8e78d2a69bd7f653294278acc6461bcad350e6fd557c23cf6dc8f"
}