Suspicious CONTRACT_REWARD that failed

[frol]

https://github.com/near/near-enhanced-api-server/commit/6c535c2ab6d9d6f087bdf46a187b54b2b67cec76#diff-8bac88f9af5aec9867272fb2ef8a606be06a00fc6398356143f8ab2476046c72R33-R58

I don't expect contract rewards to fail ever. I believe it could have been the receipt that failed, but contract rewards will still be delivered