{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950036,-0.312142,0.000000,0.000000,0.174288,-0.530464,0.829598,0.000000,-0.258408,0.786491,0.560944,0.000000,-1649899.096083,5021637.561819,3557572.699212,1],    "boundingVolume": {    "region": [1.888161,0.595460,1.888325,0.595591,0.000000,8.648772]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1354643.b3dm"}}}