My tx:
transactionData=Array
(
[nonce] => 0x0a
[to] => 0xc2f990c84def900496ffb04c9838ad0bb25b0568
[gas] => 0x4c4b40
[gasPrice] => 0x03e365c700
[value] => 0x0
[chainId] => 3
[data] => 0xad8733ca00000000000000000000000036857d0d7de284755728c1ec0da241546db20f12000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000001000000000000000000000000703f9037088a93853163aeaaed650f3e66ad7a4e000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000002cda5ee04a10000
)
Same code worked well some time ago.
It can be caused by network not in sync, according to this comment: https://ethereum.stackexchange.com/a/36936/34760