Transaction not yet indexed

AMUNxgAPESydVYLspsBKA5mCvurSr6JT1HJTF3gA6SnH4uVphT1zGPjXbL4eoMdVzHsgMvoVBkU2vNEwyxhCSXZ

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