Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,549,748",
      "signature": "0x8881a9df10a0372db28ac03935dc45a672e2b833b3498070c9d24515813aa153f902d2b50a1bfec3e5c985370ffff8f3",
      "randomness": "0x529908ce45412b621ce7cd2405cf89cfc57f67f25b928560f769060e5252c897"
    }
  ],
  "blockNumber": "7,407,773"
}

{
  "Sr25519": "0x8efd2bb545af76068833d76a3f1ebc645a0933bec82716b6fcfd0901a747cd3465d741562e635f2a05bb571e61ef1166a62227769c4a1f371f86531b4cf60b88"
}