LogUpdateWhitelistedApp (address _app, bool _status)
[topic 0]:0x6bf75a1f3a54afacac4f907472d898c39eb17762894b2a10c33bca0d1b7f2eba
0x000000000000000000000000503f8d6b2fab7bc8f2bb59bd409b8803d4d0a93e0000000000000000000000000000000000000000000000000000000000000001