Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,556,028",
      "signature": "0x872a64257e1e54c75d404a32ad8f9be1ed92f53da307932747674c90453cff71905d3dccd5fc7199956f82fd25cb7aef",
      "randomness": "0xa73208a019a432caabcf5e88a12fe66d48971f47ad16650ffe974465044dcf36"
    }
  ],
  "blockNumber": "7,409,343"
}

{
  "Sr25519": "0x44946c94c6f6721648524a618aec66e78089f5075179b557de2756af0d11ab0ec6367e02deacd40108d1071ff368a1d0a78b19dafda6f28ee4303950ca70f085"
}