Transaction not yet indexed

NMc7nWZBfVwqeh1NftJa6VNrN9EfkKPrK28Xrcq92p2jsQ4jWMfhHcv21inxT6sSPLWJ98M2FEnX3gkcVhpHQ9K

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