{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892949,-0.450157,0.000000,0.000000,0.290465,-0.576177,0.763970,0.000000,-0.342942,0.680274,0.647779,0.000000,-2190412.609318,4344986.538810,4109742.834113,1],    "boundingVolume": {    "region": [2.037686,0.704631,2.037790,0.704700,0.000000,25.511303]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/15_1972332.b3dm"}}}