Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,670,109",
      "signature": "0x8739d1e7669756990ed2399864a2dd7eb046f69f64de788ba59f9a857501e4d3d25c84c14c3f152c9c2da5bc421a505e",
      "randomness": "0x74fcb0b313725ec1c8990e00b98f0e9dfa7b8f2b3c674842213ebd12e49ffa95"
    }
  ],
  "blockNumber": "7,437,819"
}

{
  "Sr25519": "0x86d3ffbaf034b87822b070940749b40fb208339cc77e54b07d7904bf9047ab1ffdf034d76715c431e5c535aa6ce64b2ecf25fd29f107aa130a62063db8de928c"
}