Transaction not yet indexed

a53TKxKjH2GH5pacqCxerbmxCpFBib6gLvYSHCL4yzESCvx7t8snn66c8JsEPfepdqaPp1uGGkiDvdUgWZkRrz8

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