{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949821,-0.312793,0.000000,0.000000,0.174606,-0.530207,0.829694,0.000000,-0.258977,0.786406,0.560800,0.000000,-1653532.924761,5021094.202037,3556658.551330,1],    "boundingVolume": {    "region": [1.888846,0.595286,1.889010,0.595417,0.000000,8.506593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1355742.b3dm"}}}