{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949105,-0.314960,0.000000,0.000000,0.116087,-0.349818,0.929597,0.000000,-0.292517,0.881476,0.370721,0.000000,-1866575.352971,5624761.381844,2349760.869373,1],    "boundingVolume": {    "region": [1.891157,0.379727,1.891265,0.379843,0.000000,77.268840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76295.b3dm"}}}