{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950850,-0.309651,0.000000,0.000000,0.173262,-0.532037,0.828804,0.000000,-0.256099,0.786406,0.562121,0.000000,-1635164.151979,5021116.241578,3565053.314191,1],    "boundingVolume": {    "region": [1.885540,0.596863,1.885705,0.597032,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388174.b3dm"}}}