Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,602,313",
      "signature": "0xa356ffaeaac8e4aff06a93507fdd5bc7d790d01ed2d1862dc2d56e6e7190dc150c43819b938a9c7549dfbf5708bf8d7b",
      "randomness": "0x42fb216ece10acc0cf7a4c424d53c7be0a8bb87b39774fb5548b5ee6108673d2"
    }
  ],
  "blockNumber": "7,420,895"
}

{
  "Sr25519": "0xcaa2c2965b31b5fe8e84f347ea617519b542564697fea08c3fb8ef30c9a67206b6d5413abddd82d4d70f68826a6302ce0645585efeac05cdf65e74a037985c89"
}