{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949748,-0.313015,0.000000,0.000000,0.175000,-0.530984,0.829114,0.000000,-0.258979,0.785791,0.561661,0.000000,-1653549.224992,5017181.217324,3562131.829535,1],    "boundingVolume": {    "region": [1.889086,0.596308,1.889239,0.596476,0.000000,7.796672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1335766.b3dm"}}}