Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,558,009",
      "signature": "0xa70ae9380a82a12f86965b61ce6f5ba7b8f4efc42b99aab4a95e9f0273d6106ce235e96183aa75e3be62e982806a9dfb",
      "randomness": "0xa9570a81d62dbe498cc49f1ba2eed93740032685b9fcac8479c16f754e81e782"
    }
  ],
  "blockNumber": "7,409,838"
}

{
  "Sr25519": "0x4251a644f686bf9b105e0b135b403b9bea3da20574a470989c1c0832280bc277d59afe6e09b78472e993c30bef17bc317ff690e39321d077c168a62d72072b8f"
}