{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949750,-0.313009,0.000000,0.000000,0.174951,-0.530845,0.829214,0.000000,-0.259005,0.785887,0.561514,0.000000,-1653716.207617,5017794.845916,3561196.159468,1],    "boundingVolume": {    "region": [1.889080,0.596130,1.889233,0.596298,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1437371.b3dm"}}}