Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,575,870",
      "signature": "0xb7f6d461e7fa741c0ee00d053b6502e2c21451706dc7a8bc140daee85c4480a478ac6d5ee6656d2ae2840881f01cb7b5",
      "randomness": "0x439079df62cb09d155a2b4a8747c5add2df4b461ec0372f369398a929330e4b7"
    }
  ],
  "blockNumber": "7,414,303"
}

{
  "Sr25519": "0x0042b678372c844bca451ac02e20c173f36c39474e4d4b9d0bc31aa14e6b7046799d7c36bfa137fd88c8ba705c9d30987bf14d10f785c52bfe59a36180e1c481"
}