Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,587,974",
      "signature": "0xb8c1a66318de78b6272b6fc18acef1f330f3240fde7ebff393266ca10aea13c0b3be7e03a157141140bb773af6a5fbc8",
      "randomness": "0xa9ce20d6f2f16c75ac4ea5c2e73afcc2d27cf73b7691f9d0b75f3f265e780b3f"
    }
  ],
  "blockNumber": "7,417,316"
}

{
  "Sr25519": "0x501579f87bcec32f78c5dbaf28ba662995fe3992f5b96e1e055ed319f1c346725382c2d3b9921d5fbce8afb9c9d06e9458bcf1ed4d7b861bd1f17c5f6f543885"
}