Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,589,576",
      "signature": "0x85dce664482640182c717b91fd289751ab19be7f46003b9ef645698728bf8517117c378499e4bef92eea848efeb184c6",
      "randomness": "0x06e8b170b109a8bd145e63620896bef6e80f78f9bac7725a7568e8b21f76fe99"
    }
  ],
  "blockNumber": "7,417,716"
}

{
  "Sr25519": "0xf20d289df806d83d916ba109d378e4f8730e4b40eea82c14262e5ae52387951d19e1a4adbac23bbe958c1c88f14e5a8a545933bbbefaa71a2c4e6cf975fd1386"
}