Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,558,649",
      "signature": "0xb4ae498d711eb7c1ad1d4d04d11271fede12f3ef41fa42775fb269be3fedfbf3915a34eb1d39a70fb68e761668663d76",
      "randomness": "0x7657dfdbbe2a8769450a6ad7da70cd7818fee97c44ce850df5b602c38b8eb40c"
    }
  ],
  "blockNumber": "7,409,998"
}

{
  "Sr25519": "0x1a9132d053008809c088ab383c6507c8cb34e597b87f3dc8720c532ea2e3b40af4431337772e4758adafa707fcbab27dca9ad385b3e2e75095f9b46b350e6b89"
}