Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,549,610",
      "signature": "0xae0045f8e3797d917fb424bc93e3138ba9ed36f909dad6adda723f7da76a5c2b49a7839d5007c0ef6f8f4fcc2387452e",
      "randomness": "0x297a52c56546239944950624cc49a50d31526416b085ec8d22716abb78e29693"
    }
  ],
  "blockNumber": "7,407,738"
}

{
  "Sr25519": "0x2efec2fa263dba87ebb147583775084f5aa444bc10f98ef74611fca95d5441113f61feb4c6203577cb8be5cd30552bd7df51bb8531bfb555c1bbe3e94cbcd883"
}