Transaction not yet indexed

5c99P2xppzTjwtAd15we3dNNksC8E2kxBdCA2HLJTcU5toTRUPRFMruHadTmqnSedi6i4qKReW2WWR2k7ZMXeUJx

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.