Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,311",
      "signature": "0xb1c2702dd189e54fb99438ae4cff744cca34d0621a1a1c11d421ef1a02751a91ef6c7c707206e948b2caa6c27912d42c",
      "randomness": "0x2ddebaadefcf5d672d2a77efae99c174c0cb48a5923a96967ce50731379998f8"
    }
  ],
  "blockNumber": "7,409,663"
}

{
  "Sr25519": "0xc430e0ef218e3f6a3e479d4a2f3d054baf9004912102ec1822d0f40575f0683e048f9f3d42bb03a7291900482bbe399e9d00131f50ec9f2de483d4f55351778f"
}