{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950222,-0.311573,0.000000,0.000000,0.174385,-0.531831,0.828702,0.000000,-0.257656,0.785788,0.562273,0.000000,-1645106.514141,5017174.439620,3566022.137678,1],    "boundingVolume": {    "region": [1.887569,0.597039,1.887720,0.597225,0.000000,8.770137]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1325963.b3dm"}}}