Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,672,808",
      "signature": "0x954db4a813923924e5fa5f2a66d84785f06b88f343c0ad34921bba499d161fe1967980b57992d61af78157a2941160c7",
      "randomness": "0x0740f69086c4b0112bee0d5277d7a69325ea0c2a867b6880df3be7febca1b710"
    }
  ],
  "blockNumber": "7,438,494"
}

{
  "Sr25519": "0xbc2c957cf841fbc7b92d1e571b8309b694e47e6f5d192259f53d3314d7fa096b047d41c74710294e872f3b4b5ca58455832997782777aa4da587935d4a149e8c"
}