Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,566,949",
      "signature": "0xa73045581d0d948792f0c0022883c084af0c8aebe60038e628dc7bc79d07ad6cfc727a04919bac1403d74e36bcf8317a",
      "randomness": "0x35c90b623e36d897d891111017190d845a2dd16c72a26476b3bc619a3fe6e981"
    }
  ],
  "blockNumber": "7,412,073"
}

{
  "Sr25519": "0xe0aed8fd20137c7840fbb55e94511e7df2dc6518165733f216be768e69f711799d65ea82957a01d6b3a5cf67b8f2eda35c76e092f8cfb4d466c5fbc0d661c386"
}