{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949150,-0.314823,0.000000,0.000000,0.176069,-0.530825,0.828990,0.000000,-0.260435,0.785177,0.561845,0.000000,-1662848.927830,5013269.063418,3563302.694388,1],    "boundingVolume": {    "region": [1.891016,0.596604,1.891117,0.596625,0.000000,8.529269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/10_1420506.b3dm"}}}