{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949469,-0.313861,0.000000,0.000000,0.175354,-0.530469,0.829369,0.000000,-0.259759,0.785803,0.561283,0.000000,-1658525.546614,5017255.035588,3559729.735829,1],    "boundingVolume": {    "region": [1.890003,0.595894,1.890102,0.595976,0.000000,8.598811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1361598.b3dm"}}}