Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,628,250",
      "signature": "0x96869f8948ebe503ca3f5d58488a15ff694e57ce55ecb226cede7e70299a3d2c830118732627059b53551b37d1ae367a",
      "randomness": "0x3571ea2394c86c6f232f3b65b58c93e46008ddfbad0985f5b7de91817613e58d"
    }
  ],
  "blockNumber": "7,427,377"
}

{
  "Sr25519": "0x92f0f93d35716ba263fe358ecc75b1803e55828da00df383ae5d4a6c311d27163d5d3e8a73295f50ca27309b9cacd44d70f5ecb72ce79cfbc203eb8d4777d485"
}