Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,580,696",
      "signature": "0x931c4bdab06eec7d0b5725d94d8052925b87676c625e83e4aa67a586099d75de268e38f1fe211de575e05b5d564e6d2f",
      "randomness": "0x6118f80e9288a5776bead9a8010dda0f8360c0fb92f9d233123515f7561d6289"
    }
  ],
  "blockNumber": "7,415,496"
}

{
  "Sr25519": "0x92772bafb4c7e940f7aabf64009fb405d00590e79b78c3bc8b139859164eb80a352d4294d818d79ebbb46fa9eb639b1732c3553a0d1805bf7a4582ce490a688f"
}