Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,544,742",
      "signature": "0x97b9ec29d85be841828b746d5dcec184db9650957085f1015d85d9bc1b108c81bd0a35079aa343e42c0b77edc85d1869",
      "randomness": "0xd7806950967c2f8c9bfa555f1988058666893c90805933bc372f9eee5095e7e5"
    }
  ],
  "blockNumber": "7,406,521"
}

{
  "Sr25519": "0x34d3c29c0107dd2ddf41329a28ef7092438ab1476c65a77ea51916263c7df77656c874f39a4ead0db1ab3b9b35594c95293708f44d9b58365b825609170f948b"
}