{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949884,-0.312603,0.000000,0.000000,0.174710,-0.530878,0.829244,0.000000,-0.258679,0.786027,0.561469,0.000000,-1651631.022151,5018684.245746,3560912.456518,1],    "boundingVolume": {    "region": [1.888643,0.596057,1.888814,0.596263,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435151.b3dm"}}}