Transaction not yet indexed

mpm2JgTeVRUBtKYaugqY8HJj1dTyM9c8fS4Zfa8e3QHQs2p7cTjdTWtbQQoaiRzXs3m2ge17ZRQzwg8DQmr7RLT

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