Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,553,783",
      "signature": "0x9487be3fb52c757e5ba0756ab136d536c25ac0f513249afc91a0a60bab5dd84665b6a4400b85e068314c5328ab2d56b4",
      "randomness": "0xcfec5b55e268128711887649064e986077354c95b136a69e59fca7309abc823a"
    }
  ],
  "blockNumber": "7,408,781"
}

{
  "Sr25519": "0x3c96027c9c69b625c95a08f7c1e2f49eb340d977ac550b37ac22d8a1af56b2784db1f25a519eff3a29e78dabc2a530f17e4b2fda454bc5f8ce14f96a6f3c3281"
}