Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,556,144",
      "signature": "0xb1ef672314234a77c47ed4c9592574584139148103b6de3a11f510aba0d13fda2e2900129612251074aa57843d802503",
      "randomness": "0xe559c563072ae308f1366b0d2ae8a2d6a37c0e6310f100f705887973c8240aba"
    }
  ],
  "blockNumber": "7,409,371"
}

{
  "Sr25519": "0x447c4f47576c2bb991c2844fc5c459835b4e010dc9525f6ce50742faf4428907ff30e16abd85c0660182884d947bf9382f2eb12fd13063cce37a690fd89dee8e"
}