Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,666,890",
      "signature": "0xb8e23b16c9ac05370e8b52bfca2337adf3892b3b5e5da868771e15ca232283ae4f098669b42691993814a98754b20b64",
      "randomness": "0x50bed2abe7b191e4720de007caafbcb7110443e2cf6806916ba746ec045dc7c9"
    }
  ],
  "blockNumber": "7,437,014"
}

{
  "Sr25519": "0x365e9d6aa6f12f838ce55adc1808865cf6c88833ab499455c74c9074dc14061b65fd3429df59f1e729e4c99faa6f3afc80a88b0f74b9fa3237c950779dd04c88"
}