Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,655,893",
      "signature": "0xb2e69c59d95dc317c3c9d0285ff4f3e1eaf6aa7e587170cd0941af1f6d014504ef06a9fc59a533c99fb3d1a524436f67",
      "randomness": "0x25e702b8a1a6b58bcd6d8e11f163e07db2431322a9263f18451ae3808613a78d"
    }
  ],
  "blockNumber": "7,434,278"
}

{
  "Sr25519": "0xfa230efba3668677c9ac2bd6aa3bee3ade08905a8cfa78384c1956859c4b09364fd2d94089db7ec3b0d0e8422145c0ab79c7fb4d082a30b3be6a9982874d8c8d"
}