Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,551,416",
      "signature": "0x8e38fa26dc4a70d54beadb60beb61e91b073a58f579c351e0bd94088f51d81e3be239237d83529f10066974c2f21a197",
      "randomness": "0x162d0a829a871454c1dc5a83a08adf2e4746c89926b97e4ed2b713c371f9855a"
    }
  ],
  "blockNumber": "7,408,190"
}

{
  "Sr25519": "0x7c7b5cf18ae8d9617db1ed72456d6e302cd0deffb37d234ceb3f26e9c49e543f8fc5e7a8847fd262e8ebfbc95d2e4c2ede6c1d3120701913fd8a1a8fef973c82"
}