Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,567,096",
      "signature": "0x88299b8930969b6d4df61c561eaf72b33b047312837fc6257e429b15a397949131808879f92bc44d2fdf0d6f4e521e74",
      "randomness": "0xf8ecb01ad8e2a810f00e563d6144483b5d7e164f051b8466fa6f8bc833a38225"
    }
  ],
  "blockNumber": "7,412,109"
}

{
  "Sr25519": "0xd26104a7c935f55321321af208cc71227b704086c471b0ca200ea7904adf48235fa97486a5f6faa5aa06e06de3b16e4c2378dceb91b4c5aee996e82d520e1c8d"
}