Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,454",
      "signature": "0x86d6416a8b12a7bdc5610060959d9e45f0aaef37c83c010a86b09589ba76deeba420078862a4fb30d023206c2f2baa01",
      "randomness": "0x57fc36cc2905a4dc8d2dfc418584a34ea73c2ab90d5de925e753e6ca2226d457"
    }
  ],
  "blockNumber": "7,414,949"
}

{
  "Sr25519": "0x5a6408f4d8a8e6ec884cdd034322aa430a1e689539f460e716ff869b6c03b27c992ba482240dd827ccaa4e9d8778d3f6a0bcf92a278edca5aff4c066f0059086"
}