Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,629,850",
      "signature": "0xb573f0d7afbbfd19bb16c256dab229b14b805b3320cf154266af2198e62c0fd33f6b1a2b9d58a2244bac761b1dc7fd52",
      "randomness": "0x58f666ee4dd94713c7a55abb6840da745f5232e7aaeaf88037135f1dd2927980"
    }
  ],
  "blockNumber": "7,427,777"
}

{
  "Sr25519": "0xe207a6aece10a77a6c1a107a2993ae0f9785903c847bb539b22448d793008757c38376b25ddc31efd730d4225583d44dedbec16cbbe66208af256e1174997988"
}