Transaction not yet indexed

Nff7Ab5KUCYh8WTuF6MkJ6uVf9YpqCRk7T4aWRVHp9uXZBNHkgGUpuVHwV5nzvaX5YmnM5mLVVdfoCaE2ppQkFp

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