Transaction not yet indexed

53LKaZmkZVGdAbemssVmeibMT7nALDP88NkPhbPb2Jvo8HSRAxTqhUeh4UMZg3fpS2z2NpRRWhGS6W6kHYWBJCs6

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