{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949639,-0.313347,0.000000,0.000000,0.175082,-0.530608,0.829338,0.000000,-0.259324,0.785914,0.561329,0.000000,-1655751.505382,5017961.688373,3560023.067956,1],    "boundingVolume": {    "region": [1.889463,0.595950,1.889562,0.596032,0.000000,8.400645]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1360901.b3dm"}}}