Transaction not yet indexed

ME2BC8Fm8LccNU7bUUgUurRV56eQLdvWp8s9PR8L8Ey8XzCtWc4fvT35pY5TS5pzx7t2VUzkPdamKGnh4LQ1oC4

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