Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,209",
      "signature": "0x8b9dc905f29baeb7cc8cefee9c93d6b2a8062fb598836b635c63273d8ca6da57c928b0c04a11d7fe573d0c6c300dbb1b",
      "randomness": "0xef949012afde05deef86abd5846d21366636a2a59e00d2cea9c6024ea41d8e77"
    }
  ],
  "blockNumber": "7,408,138"
}

{
  "Sr25519": "0x64e7ac0ba31fafb5a03a7449fa64a8208b227c6dd0adef117602de503b1ef850aedea55e1e95619da65ca840f65689bc9ccc2f3253a3f46595708446ed96ae8e"
}