Transaction not yet indexed

AmYJTN3WmMExjBb7FEJKF5eFRKa4zKgwcEi78mPhSfPiMuHsXZXwCDYWNUyNjdtWBF1zKsBFeuFaBi5TG9tiUpx

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