Transaction not yet indexed

AMm6M5W9dfGNqnwQRYLCJKdNB3Fd9dRsPXPvTEJg9j4j5bmnH2oXFzZkZXBJNMLRVAdNxjo3CU2fk98K2ZW47xx

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