Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,604,461",
      "signature": "0x91e0eff13ece804955e026a8132405a3dd4a071e485f6f1db95252dd5449a88ff4c868b38e37e016eacb4f1e81c4d085",
      "randomness": "0x476854ccd193b60ce71604283441d79e9451474d34e34136a3c1cf18676c6848"
    }
  ],
  "blockNumber": "7,421,432"
}

{
  "Sr25519": "0x7a253c833283c998ba59a8b1f215fa4ba65ee350c22873fe4a2e14972df4b80d2cd760dc48370d6167bad928b4a2f74111e033fe01fe6ff76921e86fd41abf89"
}