Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,554,077",
      "signature": "0x9747592de178f2f70cf037554fcb2394e394d8ceb93159317acfc393eb15e08264ea3def53762a2cd96bd6e4507fd8f3",
      "randomness": "0xad2cf0c3b2224d4663e4232d012089c81b140a3d012dc3377754a6592be62782"
    }
  ],
  "blockNumber": "7,408,855"
}

{
  "Sr25519": "0x02f1faf6cefc7c6bc4c357969d95c1215663caaa66b9c7a0d6bd9cbff3bb7e0356975247199c3a9d3e0fd305bf85a6d668ca29c61e1ee8d3ff1e1293740ffc89"
}