{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949367,-0.314168,0.000000,0.000000,0.175407,-0.530052,0.829625,0.000000,-0.260094,0.785964,0.560903,0.000000,-1660664.620750,5018272.708726,3557313.425929,1],    "boundingVolume": {    "region": [1.890295,0.595343,1.890458,0.595609,0.000000,8.770703]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367643.b3dm"}}}