Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,656,491",
      "signature": "0x8f1520a38490b052ca3e2484250e85303272fccb8dabb32df742332a32dd4b95eb84678404d6b76f15a6b75044a65611",
      "randomness": "0x559cf5b366c9a722ff77ef535daa080232489e1033478e235b7821cc538a2ecb"
    }
  ],
  "blockNumber": "7,434,427"
}

{
  "Sr25519": "0xdc91d3e66d0d4b072e153cf8069b6fcb792498473fff5bf2d29d3ae3c536f815b1626685c8b1a3bacb0704042ec5ce48b96989efaababc725a31e6f6db97ac85"
}