Transaction not yet indexed

AmU2eahrdFoD92wJaVEMhy7adREboi5ZGZffwEMSjqeKBhNj6Qjaa6siMv6osjCG2KzjftZAMX8PFEdEKj5uSSx

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