Transaction not yet indexed

AMEx64Fia9hxYwJyoYB7kCCFDUYcpuLCQuQTiszFdDrqGFG54kgd4P27DfB6HkhNqusW16GwFuvXgL4nH6hVt72

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