Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,642,621",
      "signature": "0x878688c25de819842014465960d424a3c387bc2fdf56beb8b8789f0116f523bcba78e09633082b7a22c672a105f3acd8",
      "randomness": "0xc659d1649e356c8962b5be818e5547846de533b4879f354a7cd3d3b47a94f204"
    }
  ],
  "blockNumber": "7,430,960"
}

{
  "Sr25519": "0xda5328878e7d493d2a503b6a4daa306e30a7d7d324d2ff4515a630fc021ad92c6c7698314d732054a9df264c142a043f627c0d106233c6a8a36bf7689644dd86"
}