Transaction not yet indexed

a53cFfPZndnAedC48hecbhQcFUfL3F4MNzFX2pSdWabFhXGYawbPYvMhdkRD9TTnr2w6C9JDHstQQ4rdJ138e73

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