Transaction not yet indexed

LK51pCUexAnRHJQoep5JeHwbd2ZW2eKZWYcgDGB4TYqLSRBwFA1V8JohFsHn9Er4k377GiSh7SuUyZXJKpuE8V7

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