Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,551,252",
      "signature": "0x960992aff67e74a9af5c0d0d5355bc5196a867cb8f6b88ff105a127df647e8cc850a1d3cd9c72a7c4b1ab5acdc90bfee",
      "randomness": "0xd327d56b616a659cfaeb953c470819c9612326de6f0a04ac621e466b7240020d"
    }
  ],
  "blockNumber": "7,408,149"
}

{
  "Sr25519": "0x0208478831afc8ccb9f4cccad2aeba245a1a15f432316b22fcd0b499b165844a5a4a30627522ebe938902fcb20945951e7dbad98f5564a5f1283addd4d78d983"
}