{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944351,-0.328940,0.000000,0.000000,0.183917,-0.528004,0.829088,0.000000,-0.272146,0.781300,0.561700,0.000000,-1737619.338813,4988509.007197,3562381.298794,1],    "boundingVolume": {    "region": [1.905920,0.596402,1.906035,0.596477,0.000000,8.728822]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_192159.b3dm"}}}