{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898036,-0.439922,0.000000,0.000000,0.281218,-0.574065,0.769003,0.000000,-0.337370,0.688692,0.641782,0.000000,-2154767.981830,4398641.481285,4071588.559785,1],    "boundingVolume": {    "region": [2.026262,0.696792,2.026355,0.696848,0.000000,22.626791]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_391052.b3dm"}}}