Transaction not yet indexed

53poWdUGRuYZJZc66o44TQDCfF9g6Je45NjNHwBRZ7D42xia2uKTLGKYiW2qKZEJZF2aFCm5ztNHC5j3hHqZ1Ka2

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