Transaction not yet indexed

1aAhtRiSYFdKeJsGpr8CNxDpaYWYSWvUXDABfHePBrmfzvxNdhKhptrhUKmqzPvQe7FNFbnrS3zAdT4y7x54h94

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