Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,658,294",
      "signature": "0xa8bfe8025a30f3180618907529a67bfa7b850f0e78bac885c258374ab70d9e33405604b9763cd0db0d6a0102698c2770",
      "randomness": "0x6753671ad67bf53e0dea20229b5384275644fd9d67251fb89877b29abffa5908"
    }
  ],
  "blockNumber": "7,434,878"
}

{
  "Sr25519": "0x78344a344bebc06e12977b4496a666d8cbcdd4fb2c4beab825616078100116731851adf35d68ae6acc6ca3febfd46bd93b564f4bf7997c963228089560b36887"
}