Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,632,694",
      "signature": "0xb0f248280819e9ddcfb6bed3983be6b52f217e596378445d95a6944337e86d3254c34deca36d31958be385513e576fb3",
      "randomness": "0x1bb36541980df1f1b742645762bf13c656a7847ef117738765a5aebe293c467f"
    }
  ],
  "blockNumber": "7,428,488"
}

{
  "Sr25519": "0x5a648bc08f9a00bfd7cd7a5489beda006762e0764f7cb32fe455dc1479b5971e7943e410ec175d50a61abcec6506b29d9a49a9ab9ad0f763f417174f2cab2887"
}