Transaction not yet indexed

XdrMbQQEAajGZphSE33CMsmSukEG3LoAE6nWxbGdADvUT5YYgQYC7f1SF4n3zTyuj8vnTq9VkP7QdKFB9J17Mxt

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