Transaction not yet indexed

AM18zB34Bnhc8qxVdsNFPf5QLaALdYmJMoBMt5NdCBrjwL7ZYoM2i2ktCXFGNSyqmkNWUtydenviH9oXxGhFJSq

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