{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949442,-0.313943,0.000000,0.000000,0.175505,-0.530770,0.829145,0.000000,-0.259756,0.785566,0.561616,0.000000,-1658509.260955,5015748.306665,3561845.766997,1],    "boundingVolume": {    "region": [1.890090,0.596297,1.890189,0.596378,0.000000,8.778918]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1408825.b3dm"}}}