Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,537,052",
      "signature": "0x851a1c13f1e7436961faed90befe1529027c214a96b5b4a8b718882bf8b50251a4a68b9cf76e9db9eb1a2068a9dc4773",
      "randomness": "0x295c4469c00a4dd730f75d5ed75b012b538cdc7976e07727ced8b5eb1450a52c"
    }
  ],
  "blockNumber": "7,404,598"
}

{
  "Sr25519": "0x50004f78c8d5095ef41ec29e61e432643fb5832818c705d102a11ba1b8013a624fde514dcce9705b641a139131071f93315b15223a4dab77f0dea65aa965d888"
}