{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949529,-0.313678,0.000000,0.000000,0.174988,-0.529701,0.829937,0.000000,-0.259787,0.786397,0.560438,0.000000,-1658703.620692,5021026.709973,3554360.893428,1],    "boundingVolume": {    "region": [1.889780,0.594782,1.889942,0.595048,0.000000,8.793531]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1372423.b3dm"}}}