Transaction not yet indexed

mcpmcn8MEXVPvj2YMEXJwvpMcVAMH8wnLMH2PVfQoqf5KRbyZdTwfjXj37Z6ZDA9yYtgYDAb5u1dM2AMrYWf7pk

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