Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,555,451",
      "signature": "0x88852d32607bf463dfe6af95afbc77701b0b251dab358495fcee025d9eb63bbc76abec4d856742816e77770a9e0bbd1e",
      "randomness": "0x909882afc77307e35514e0e24edfbb09029af492177fc234f5846c440cffe0cf"
    }
  ],
  "blockNumber": "7,409,198"
}

{
  "Sr25519": "0x8450d7f919eb0e38aa06b9c060c38d362ef376a149bfa9e5a7d8fbb9d8de771af103dbb5d39f55c5fc17e7eaaa80e934c0116cc2abe772f5401e5be0efe17e86"
}