Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,544,531",
      "signature": "0xa2a02b70c09b0299c4bcfbb04d32c64ff957874e347a9702f7b2276c04f6870f00da145e17840cc61cde9fb3eccf4976",
      "randomness": "0x62a3af5f34311439444719512aaf7e6e830aab5453b29d4bb544fd3458a53515"
    }
  ],
  "blockNumber": "7,406,468"
}

{
  "Sr25519": "0x1cc1e59e727fa67b9b69fb5ae4fbcd56e29bec99c31cc8188276fd863f295874392efbc913bc3b0e5990febd8b767640eb498eae225fbef09aead83e38da4488"
}