Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,633,572",
      "signature": "0xa183faa730de7dff6af2110c5680504f1a939b4185f14f41ffae61ee31b10563e92e821aede200432eca3f0a32315f5e",
      "randomness": "0xb6c760599a889c3abc79d34fbdccb721d045059a5c915248e48ea91b3ba6a9fc"
    }
  ],
  "blockNumber": "7,428,708"
}

{
  "Sr25519": "0x12557113bfbbe957d7d51f194cde38c303da8e59dff9c33eb4b647b89907c81222720c66a1dbdb62eecb3accf373165fd6ce46bd5be1577150e06f7672763481"
}