Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,630,332",
      "signature": "0x97216dc19bded24ca78a57390236f39d69cd1d52945163a742eda63c0b46396154bcc00cd6b0609f5b4dac2afb931a4c",
      "randomness": "0xe0031fb0187ac34fae8dd05995249901380c65391a202829ab8afec5b3c48bb7"
    }
  ],
  "blockNumber": "7,427,897"
}

{
  "Sr25519": "0x424c0be429e2f5d3f9f564aa209b07a6a53e3582eb08336a598feeb7e1f2760917327521d8aa6f8a9eee572f72c035acdfa04d65940ecf34d9756630a5e76789"
}