Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,604,972",
      "signature": "0x9626ee0232a2cde6aba5bdde2312e8bb819923d8920dae22cc38c1dddcf1cbe36cff968d2380c88523c68a0549c40a5c",
      "randomness": "0xa8d8489f91bfd216214afc1db08f440ac9d4438132dec03e10232700f3e9eb9b"
    }
  ],
  "blockNumber": "7,421,559"
}

{
  "Sr25519": "0x5ac92a46a52cc829e5a76f215c72fa4a682c8c2480f034af83bade5920b60f720c20ff90a9cc62d8d4cf1e03a378f932211a8a7ba8fb1c9518c889db79f0ce83"
}