Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,574,431",
      "signature": "0xb0a9132addaf834396a7d7410bcceb701c7463de17b80fcbc4c7505515ab8578a248b694f0e401c1cec76a6b4e793db7",
      "randomness": "0x40677a0eab180a642d5368116abe9fbee228ad275af6212318b0dc0b8912cebf"
    }
  ],
  "blockNumber": "7,413,943"
}

{
  "Sr25519": "0xea422517d129d858c6e19351bde53257bb0de48c6ecd429ca51420eb6cc2280109f31ff21e65a1d1d21d38bc366116dd67d048c20cb41cfd7912ba067669678d"
}