Write Pulse

{
  "public": {
    "Sr25519": "0xde911df17530881f6f78d47c30be638b40e90a72d4ff77b4afef90f773e53134"
  },
  "pulses": [
    {
      "round": "25,657,557",
      "signature": "0xb23f2ac483f9eaf22287a877c3d7f9b6895a3e7b97283e11cf5b2e6e225ac391b338469e62b02a533edad19672deef89",
      "randomness": "0x1c90b67bf4caf79608f1c934438f757be9a8e9696530c9bc9d14dc99519455fa"
    }
  ],
  "blockNumber": "7,434,694"
}

{
  "Sr25519": "0xf017a25bc46c248436d8960897519c4baeda7995f663090b2819ae843603cc0e421af04b96c2cebe618f6e3c0ff343e3673b1bdcfddff3995d411e48325a6885"
}