Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,666,874",
      "signature": "0x87cca0ecfc07d5808829e1da0daf7d7c642266fe202ae0de5c3930949a096655c03add34df62c5b98199c74344acbac8",
      "randomness": "0x03ed5fd7a844dd2c26692264428b8f7f7fd228f525568062594b321b11bbe96d"
    }
  ],
  "blockNumber": "7,437,010"
}

{
  "Sr25519": "0x0216f4c5840bc431fde31613bca722d0257b4de3105e0bd3c153023450fef419af251c37f5a47fdc073d5e131480a9b24b805dcf644c406492662105786a3c8b"
}