Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,603,527",
      "signature": "0xa175735fdcacbdee650521924e691118ee7f20b329c28fb64998cd1d7c24d24489e198333b479f6b0829d6804f77d619",
      "randomness": "0x47ce6122bc43ecbf982240678565f90c004aea75bfa412ca0e940f7798e6fb62"
    }
  ],
  "blockNumber": "7,421,198"
}

{
  "Sr25519": "0x24fe2978d7708c9755e2fdbf8c9622802e6139d4077e8ae354f077abab96ba363ce81e7135f69abc8a48eb703f56b1a13a6ab907819d365f324d760b1ee98682"
}