{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949886,-0.312596,0.000000,0.000000,0.174696,-0.530850,0.829264,0.000000,-0.258679,0.786048,0.561438,0.000000,-1651631.925625,5018822.854267,3560717.987755,1],    "boundingVolume": {    "region": [1.888635,0.596020,1.888806,0.596226,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434527.b3dm"}}}