Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,545,471",
      "signature": "0xac4297e842e23fc41d583e08623ceb413a2784a44b20f36fa2cf0ca9146f814b7a0447b2a89a1f0bb436ae3c2054f3a5",
      "randomness": "0x139d864983ceb7987e325be45e40e1bfcbea47fd25d20f4e2ce988f732913859"
    }
  ],
  "blockNumber": "7,406,703"
}

{
  "Sr25519": "0x02c500be2b406fb6626c325277b250b5b936f8ec3e3c95d760f5d61b6676a046adb1229592eadd6616ebe725bb1cf50500ef71cca5b96bd0cc9074243aea3483"
}