{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949836,-0.312749,0.000000,0.000000,0.174835,-0.530983,0.829150,0.000000,-0.258770,0.785898,0.561608,0.000000,-1652214.726597,5017862.405113,3561793.815915,1],    "boundingVolume": {    "region": [1.888797,0.596225,1.888968,0.596430,0.000000,14.806080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1401519.b3dm"}}}