Transaction not yet indexed

AmTHeqSXkmocFFDRT2oW2m2mmXC3HT8YopmVVPT73ErxLF8V7wK66ot6Qakqv4cyCzJCTCMjsDJCTEbs8Z6P1xQ

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