{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950067,-0.312045,0.000000,0.000000,0.174604,-0.531608,0.828798,0.000000,-0.258076,0.785752,0.562130,0.000000,-1647789.250326,5016943.745498,3565114.075258,1],    "boundingVolume": {    "region": [1.888072,0.596855,1.888210,0.597064,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1332149.b3dm"}}}