Transaction not yet indexed

5B99aAnCSS7pQes8mff98RLAWH5uU2BHKpihNggiPqcoeHuCfqidT2cqDEctmD6mxVJSwomQNnyMsRbq8XbgrMNR

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