{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949140,-0.314855,0.000000,0.000000,0.116065,-0.349882,0.929576,0.000000,-0.292413,0.881488,0.370775,0.000000,-1865908.223955,5624838.461428,2350103.872667,1],    "boundingVolume": {    "region": [1.891046,0.379786,1.891154,0.379901,0.000000,70.700160]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/20_76977.b3dm"}}}