Transaction not yet indexed

MMo6atzCdHF2yPZXfbCfrRm91XwsqGCzq3w5YQ7v5iqaZgVrtUH9NP3CJw1LKqvexb2f9LJNWq7rL3W4rZpDdeA

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