Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,551,230",
      "signature": "0x85b169bbbc398666baa9ba306d82842fb537a5bb61f3a610dd47c31529e6ca3c9199242e06a0b81e4d5662de7aa7aa04",
      "randomness": "0x80221b6e80478b29abd393c10c1705e8fb8a694b3b0f6c9c0c31ca898bc17ecd"
    }
  ],
  "blockNumber": "7,408,143"
}

{
  "Sr25519": "0x8a4f73f592b654d6e2b9656c20a63f79b75b616718b59d2f36fed4d65717e935f5dc9e53d4f803f66b420a0a1ba366bc7ead7659193754605e12d8440077778e"
}