{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897899,-0.440202,0.000000,0.000000,0.282592,-0.576415,0.766738,0.000000,-0.336583,0.686543,0.644493,0.000000,-2149764.695565,4384963.981622,4088833.519079,1],    "boundingVolume": {    "region": [2.026557,0.700325,2.026684,0.700394,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852308.b3dm"}}}