Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,555,930",
      "signature": "0x977b7d99922cbc8648d21533d1161484cb66577dd98d6dd5daf8c1fae1c47ef0ab2454de6cc2e8fe5de50e8ee45eeaa8",
      "randomness": "0xbd78ead0d2bc7a339b8e19e3e8ab12b8baa7947ef8274a22fed6c9bbfe3140e4"
    }
  ],
  "blockNumber": "7,409,318"
}

{
  "Sr25519": "0x64b7376f07bd7d2e447341f00acc5d7cfb562bb814aeb105e29acd4d5898bb4772ef6e6835604fc2d6a17652913937fb175eeacf7e8b8e8c7eb946972e3bac81"
}