error.json

{
  "code": 500,
  "message": "Internal Service Error",
  "error": {
    "code": 3010010,
    "name": "packed_transaction_type_exception",
    "what": "Invalid packed transaction",
    "details": [
      {
        "message": "Invalid packed transaction",
        "file": "chain_plugin.cpp",
        "line_number": 2084,
        "method": "push_transaction"
      },
      {
        "message": "read datastream of length 68 over by -2",
        "file": "datastream.cpp",
        "line_number": 6,
        "method": "throw_datastream_range_error"
      },
      {
        "message": "error unpacking uint32_t",
        "file": "raw.hpp",
        "line_number": 644,
        "method": "unpack"
      },
      {
        "message": "Error unpacking field check",
        "file": "raw.hpp",
        "line_number": 367,
        "method": "operator()"
      },
      {
        "message": "error unpacking fc::crypto::checksummed_data<T>",
        "file": "raw.hpp",
        "line_number": 644,
        "method": "unpack"
      },
      {
        "message": "error parsing signature",
        "file": "signature.cpp",
        "line_number": 32,
        "method": "parse_base58"
      },
      {
        "message": "Failed to deserialize variant",
        "file": "abi_serializer.hpp",
        "line_number": 780,
        "method": "from_variant"
      }
    ]
  }
}

serialized-tx.json

{
  "signatures": [
    "SIG_K1_55UPuCY15R3usBeVrawcimQfykqjR1q1W2g8UFMEWRY3oEvD9jAiQfyapoq8Xr4kxMkpLgqj4LEAsS1wonEmGvHTV8goA"
  ],
  "serializedTransaction": [
    129,
    198,
    49,
    94,
    218,
    98,
    73,
    82,
    70,
    148,
    0,
    0,
    0,
    0,
    1,
    0,
    48,
    114,
    217,
    71,
    133,
    204,
    205,
    0,
    0,
    0,
    64,
    101,
    135,
    163,
    74,
    1,
    0,
    48,
    114,
    217,
    71,
    133,
    204,
    205,
    0,
    0,
    0,
    0,
    168,
    237,
    50,
    50,
    32,
    5,
    97,
    100,
    109,
    105,
    110,
    11,
    116,
    114,
    97,
    99,
    101,
    108,
    121,
    116,
    105,
    99,
    115,
    5,
    115,
    105,
    116,
    101,
    52,
    56,
    28,
    130,
    65,
    64,
    157,
    5,
    0,
    0
  ],
  "serializedContextFreeData": null,
  "transactionHeader": {
    "expiration": "2020-01-29T17:53:05.000",
    "ref_block_num": 25306,
    "ref_block_prefix": 2487636553
  }
}