Transaction not yet indexed

MPkLjWWcT8VQcFQ9DbHfWSmQ6Yv1EFSEbKvSDrsFyneYh3s4FwGW2gitLgSBcgbyj5CWooSLxi4aahfZcEXmST4

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