Transaction not yet indexed

53LCKFQR73YzD6EUu4BLTHa4bVvviL2qc5x4wAnqBbCJYa3PsdiUkdEEbstEBMPqMx8iPffh9NncGksUGh9dpkua

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