Transaction not yet indexed

53NKUNbg4fKmjbUa5fZE2a65mvqC1ZqfMtisW5uUmodbjKqRRnstuqPzhTYf9X1NBLXvHwqrxDDaMPy1c2N2K8nU

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