Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,632,809",
      "signature": "0x8ff544ef1be22510c67a8fd334b14f5284561d83ebac58ed9221786c8a28672bbc313601c37e7e45c105bdd59d9a24be",
      "randomness": "0x034f0f6f5cf9b1c98699b2e529479ab15ebb7b8b09f99d74597bddec616791d3"
    }
  ],
  "blockNumber": "7,428,517"
}

{
  "Sr25519": "0x502318fecd0e3efc2bd256c246956276af48638e38700f1599e9fda6569d200512b49be159dbbd0e6f64b81f7d7f7563414365c709a5d6415cfd95aa31da3d88"
}