Transaction not yet indexed

52U1JpEnpT3XCbm3G7yheSHWsT6h9MRFzVofmLnZukpNtDPfsCwWo4k8cU9GLTCiUm5Byd5xu2zy21MF2JZ7bL9U

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