Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,613,450",
      "signature": "0x8d096ec8bcb48a5ed08775112d422de545090ae79823f568c4651be3515c1badc3c2f2e08fc349e805864d2d285cc3fe",
      "randomness": "0x5f7b88737cb6ff04573806f1d939e73623de59177823a06448278a15b62bbd68"
    }
  ],
  "blockNumber": "7,423,678"
}

{
  "Sr25519": "0x8c4cc7e0c5e3a751074c741e0c85654a2d0d827ad294bc3a31ef4de97ef9d024dd50912a2d2ced9d02847252b194690e5ca37936cf7dc22cf137e76f7f68338d"
}