Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,577,769",
      "signature": "0x8fe7d1afe4f56b72f4e2ccea5e627037149f86b9312c18460bca84ea19f6a7b7f9d26f94f75d35c074de54ead121f190",
      "randomness": "0x9e0e8234700da779b06c3b361c2d3f955215218dae7ebb69bfca104ccbd93cc9"
    }
  ],
  "blockNumber": "7,414,778"
}

{
  "Sr25519": "0xe6b6cbedbd3aca1361b12c2dc8fe1ef18d2f7b3c0507e4ee254906adb5257e5dd11bbb86b9aa0bea7ee68e0d7afade210b30afeedaf1200b5fbb9bd1672ec381"
}