Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,577,975",
      "signature": "0x9232bbcce330b6bd0a9dc7d83e3000beb9bc4f32f9c6655c82557c240fcb2c61fa075b0544feaa38570a195ae91ecf3a",
      "randomness": "0xc21669a51f0a330269db84c39750f0f97498f893fd35bb4dd7690871819fa062"
    }
  ],
  "blockNumber": "7,414,829"
}

{
  "Sr25519": "0x8437d76c88974646a1afa549063cddb789258a5b6b40cbc123e41a8e69bd7c752c7f98379fbfe6f05db3830b5cb6161d1061ed3cb520b94d07d76799f1361c89"
}