{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950470,-0.310816,0.000000,0.000000,0.173509,-0.530588,0.829682,0.000000,-0.257336,0.786931,0.560819,0.000000,-1643056.538354,5024446.591165,3556778.609688,1],    "boundingVolume": {    "region": [1.886798,0.595316,1.886897,0.595433,0.000000,8.760952]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1450695.b3dm"}}}