{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949175,-0.314748,0.000000,0.000000,0.175806,-0.530171,0.829465,0.000000,-0.260524,0.785651,0.561141,0.000000,-1663408.801259,5016282.502723,3558827.778590,1],    "boundingVolume": {    "region": [1.890919,0.595710,1.891056,0.595817,0.000000,14.938601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1364230.b3dm"}}}