Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,603,822",
      "signature": "0x932440cc6cf5d83371982fc318b0b504e0034e29b9a2ca1ac465992abcce925f10fb65ed566020922f017872269f9590",
      "randomness": "0xdea842ef50caa334b4f002c25d7013a7c9b22557fdaa7f54923c8d237b3a0d20"
    }
  ],
  "blockNumber": "7,421,272"
}

{
  "Sr25519": "0x5caaac15daea9484461f0993d567a61e86a8b1d8260ac12b8b8c63a65e6f705ac309ac8d593bae8da4eea1ad7e78a24517bf1cb2ddb681b6de1c3eb148fcb088"
}