Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,558,007",
      "signature": "0x885cb0fb17fc897a51d40d3079e88ca04576c982b43f04e9d71b71f8c9341be3341b93cb16e1808514164dc12a1e0879",
      "randomness": "0xb82f628e0df7154f63f1e795d73e82498302c9b04554a372f3001deb969dcac4"
    }
  ],
  "blockNumber": "7,409,837"
}

{
  "Sr25519": "0x08c04755b1df703da6e6658aab29baf5ce7334e33f48f9fc68157a88176f9b277822db429af0a7e4ff047c1499408c5c4ddb0df4afe3d233e3cefc4042053d85"
}