What is Hoeffding's inequality in Hilbert space?

Suppose I have random variables $X_1, X_2,...,X_n \in \mathcal{H}$, where $\mathcal{H}$ is some Hilbert space. How can I bound the following term -

$P(\| \sum_{i = 1}^n X_i - E[X_i] \|_{\mathcal{H}} \geq \epsilon)$.