{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950020,-0.312190,0.000000,0.000000,0.174468,-0.530920,0.829268,0.000000,-0.258344,0.786162,0.561433,0.000000,-1649496.934989,5019547.542191,3560686.352385,1],    "boundingVolume": {    "region": [1.888209,0.596014,1.888380,0.596220,0.000000,16.012885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1434487.b3dm"}}}