Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,606,108",
      "signature": "0x8f49d465d1c6947107c4bb31d6b4105c16c5e403a1977a47ad6787350eb76274b02433c21f441fc382977a13872e26eb",
      "randomness": "0x0f55535b89bec25d3e06032f7e51a5b733cd83590ebcd2e78d76f3dd33e813ca"
    }
  ],
  "blockNumber": "7,421,844"
}

{
  "Sr25519": "0x1e0cfcdafbf4085877b29434cef4696acda51360ef4d61e270af62e77aca570caedf024b6109b0a5acfe60194aefe079cf9e2052fff2059b7aae0ca83470a383"
}