{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949618,-0.313409,0.000000,0.000000,0.175023,-0.530311,0.829540,0.000000,-0.259439,0.786090,0.561029,0.000000,-1656484.922710,5019083.110018,3558113.382983,1],    "boundingVolume": {    "region": [1.889528,0.595587,1.889627,0.595669,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366323.b3dm"}}}