{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950031,-0.312155,0.000000,0.000000,0.174403,-0.530790,0.829365,0.000000,-0.258345,0.786265,0.561289,0.000000,-1649503.163172,5020199.806451,3559769.959009,1],    "boundingVolume": {    "region": [1.888171,0.595840,1.888342,0.596045,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1434178.b3dm"}}}