Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,559,574",
      "signature": "0x8e88e28fd1ea6ced89c917bcfcab32da679fe0a266329890beaa88b40a57a86b070c28c3622a1b3be8e2e2e6656f8e38",
      "randomness": "0x03a34324dd88699f7de76aac8e193d485fa38d56c55bc4b3366c3a831173a002"
    }
  ],
  "blockNumber": "7,410,229"
}

{
  "Sr25519": "0x9eba88bdd4cee6fc5d713d560a98e2dabb28599b33329c86fde716148c5b5d4ec9e5dc7ad5d278cd35b5c92025ed5464bfbdec5f88399ab0f4b5e1321ccde784"
}