Transaction not yet indexed

mem3WcXj963KwFuYrMA2ap1stCFHyvVRnFUhX8RrPHyP1KqTYdkQBEwrqWAqeSW9SF4sjAAjovx8vpFrJsMSXtM

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