{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950680,-0.310174,0.000000,0.000000,0.173550,-0.531930,0.828813,0.000000,-0.256534,0.786273,0.562108,0.000000,-1637941.386400,5020269.732680,3564971.111287,1],    "boundingVolume": {    "region": [1.886090,0.596847,1.886255,0.597016,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396799.b3dm"}}}