Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,215",
      "signature": "0x88daf73ad8906ab9b52893bf8e10151b1dbf494b77d97eefde31e41b0a6b19844905ccd4ea332f6f27aaedf726f1802a",
      "randomness": "0x26cb3925f59d7718aedf1cfb1977c7e64f69c9a12516e0a413bd22fb9539851a"
    }
  ],
  "blockNumber": "7,408,389"
}

{
  "Sr25519": "0xa0b38e25e5cac3247d5aaa959160695e4f8c1bfac731a82353ad30c1a843744a4941e18d16f535171d52af7ff4283f6b46315095c49023226162efece972bf8d"
}