Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,670,475",
      "signature": "0x8629919f0209be664f6e9cd147a8deffde84314f8e700a1702ece4bd23e49f480c2aaaa2812f3c9ce829366a517acbaf",
      "randomness": "0x572b58525aeaad64a074fb8a93c76d1d3486e40ca067490b95028dbc905ab111"
    }
  ],
  "blockNumber": "7,437,910"
}

{
  "Sr25519": "0x348d16a76abbfbe36d2e40e0e63ef6135bc9c25459b58c285fd669e5494c4960d1cab4e0f958311853fc812d6b2401b3806f971b213e63223b627671b1d6a383"
}