Transaction not yet indexed

645BM9rgamAyU9P4xbCZ7W3qgt7PcM4KdMDA9eT28ubQnYwtZ3gi2iDvxHVdtsQCpdFN6jDinmoaEFmxiG8uYZNL

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