Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,559,451",
      "signature": "0x86fd7373d5e56d6860e128e1f21b558a397106bab86accca242941b17de0989a341dabf138a6c46c312d7507fc8b3023",
      "randomness": "0xc4b19ba6c8976d2ae2be06d2a2740544e08053a99c003fe4aa31a132f03e19d0"
    }
  ],
  "blockNumber": "7,410,198"
}

{
  "Sr25519": "0xfcd25b6c40ea12f73072f0a68dfa42f7976b35abf0e9e9e481fa2cab2004b137c935dca4f1318bef5de914c74d01854bebbe7751044eec06997336eecb23f284"
}