Transaction not yet indexed

53NPLkPhFBvTSRuZThCJGJ5GsnEB3GUvq7v6x8FmGWu4xre5FffCbwkaGF2WsdbTtV1zrf4xGP4FhtGKpkrgMui1

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