Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,230",
      "signature": "0xaf9506c7e14c747d3e3d12a8a96f166e0e704825bfc5ab962f123b57fb50fc1358393ab8abf3a907f214306a2688ba7a",
      "randomness": "0x2a058a15774fcc1da3a124ff9c3382e9378b9aeaee94e881bb3408e479450381"
    }
  ],
  "blockNumber": "7,409,643"
}

{
  "Sr25519": "0x0220fde7010844c4d27ae2ff096909ba58bd46bf722e2c2fe33a7ca92dac85547e4086245d34b603535a194ab132c311220a8560242450fe3e88b0d8dae1478e"
}