Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,569,212",
      "signature": "0x81fd115089ea24df50386a92c6aa7627ea12c9e27499539117b490ec743bb1d3fba00d5fda0b99534d47558617ca467b",
      "randomness": "0xbade0163e1bc76fb74a9cfd48caf21706b9af77651851a9b986bc94be2046567"
    }
  ],
  "blockNumber": "7,412,638"
}

{
  "Sr25519": "0x88a8023921ce5d83f7019385314133f344d0c739c3ae1797cbb00b6158ea336c42500dfc26d36e170bd66d83545ffbb8b3347bf0b1fc134188510c822ad38f8a"
}