Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,551,390",
      "signature": "0xb6c34b4542ddd0ae180776ce6c248d69612aa4560d958d0e9c41a1450054334d8a306be37ec34299dfc32e14e734577f",
      "randomness": "0x21272764341a4ed49e92cde78cde9791217647f1fa68d9499c7c091ed7cb678e"
    }
  ],
  "blockNumber": "7,408,183"
}

{
  "Sr25519": "0xa259222479be6cfb42c293264660aa6be1a7d9946ee5456d3fd914fa533ac51f5d3ec5ec2cf82728945b4df663876be57be8044ef00dc240174160203b95ea83"
}