Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,869",
      "signature": "0xa9eb00c51df2846db2a7f814d54750a8deefd3b010ed115e05e448a06d333eb537386e7b10c2228b896cc1c61110cc6e",
      "randomness": "0x6cb8afa65285ee0636064c5de436ff8b584f8c3cf74357db92fa8a6d49d2191c"
    }
  ],
  "blockNumber": "7,407,803"
}

{
  "Sr25519": "0x76c4e13f2bae2d20049027579ffef02e0a9d962ba5b8ee00749cf158881830632546f3a5fa4756d3e358fad6caf7fcc9b0bb2b0ba5d1c8c58456b1f4f5a1d480"
}