Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,606,011",
      "signature": "0xb5ed33ec53ee95e836834da69dc5c0d921f52fc68764caf967e929d4479b4a8d223201cad8d48a44b834377a513a8c4f",
      "randomness": "0x7506ab22d1a4175bff7e83e76dcf729ec672774a2cd74e1925d32f6c03d184be"
    }
  ],
  "blockNumber": "7,421,819"
}

{
  "Sr25519": "0x68215385e5fbb94b7eeb0f24f2ad412a27790e9160b5e22a151f42b29cc0923f6887bf1c8a1deb633f527db45d96f0cd5e72fbaa90012081f3546adcca631286"
}