Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,606,671",
      "signature": "0xb9f823ee91cfeaee36f2c99b56154c8f5c2f79ffd8d6e2d8b824afd1e19a886260b6cb4e6d86072de1d2db0d264917f8",
      "randomness": "0x044e40d0e01cfc15bd5318bbbd6de160444ca56c94670003c22375bfa770b011"
    }
  ],
  "blockNumber": "7,421,984"
}

{
  "Sr25519": "0x18ff97559809f2c9f3cddea90d063b450a7e75be32239ba3288428c417c9f82e6e62559f32f141d5f5ea0dabe9ad3f7bd33a108502165a52ed47acf82c677180"
}