Transaction not yet indexed

52ubnzfYGUU3Qct9JECpYPb5sfNnT2mJpZMR11Bmtpp57cSchXqdBAEzEaACPbPpm5SGjtjCfkdgkJbAEciHSpp5

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