Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,568,970",
      "signature": "0xad93b49fbdf37ee9949d25d585d5d49275b932a9be79f562621f5b8f7d464b3158b9b5b334441152a566b344b3b7b52d",
      "randomness": "0x1289e6fac6b9970f7c689fb0590603036b968adc5211d93619d18ab4b59ee94a"
    }
  ],
  "blockNumber": "7,412,578"
}

{
  "Sr25519": "0x1e7b873fd505d5986000f67a5debf8977e896111d3dab0630ffb7594d8042c399e11bde10bbd474405c13bf54bd1005fbd56f4da0078942442cc1e1021229b85"
}