Transaction not yet indexed

Amc3Kc211iiDH43mbgd8kSyf7GKYmLxAMWXv8xXf4qXQf3DnYSWsAgqeBwwwcGpqg4EiyMk9iPdqV6YdY16cpNe

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