{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949829,-0.312770,0.000000,0.000000,0.174589,-0.530199,0.829703,0.000000,-0.258961,0.786421,0.560786,0.000000,-1653430.217138,5021189.972189,3556571.679943,1],    "boundingVolume": {    "region": [1.888822,0.595269,1.888986,0.595400,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355830.b3dm"}}}