{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949296,-0.314384,0.000000,0.000000,0.175417,-0.529678,0.829861,0.000000,-0.260348,0.786130,0.560551,0.000000,-1662283.936780,5019329.207841,3555080.899602,1],    "boundingVolume": {    "region": [1.890523,0.594919,1.890686,0.595184,0.000000,12.174147]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1370618.b3dm"}}}