Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,578,749",
      "signature": "0xad74a0d6bcab9882170dd29cbc34419f8e670dad064c6b2545215b781819f152b50e9c86f114287c7c5621b71671198c",
      "randomness": "0xfca8838717c474d0a1f666b168805a19f8e68376f21bf52e2213e18f20325ee0"
    }
  ],
  "blockNumber": "7,415,023"
}

{
  "Sr25519": "0x8266b2f762275c1bc499565f8467a041a9a73aa53c578e93a408fe3492cd00434904032490bf16d18e62e45d4bd673ff84010a91a2e20897ace34d11f2339980"
}