{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949096,-0.314986,0.000000,0.000000,0.116145,-0.349961,0.929536,0.000000,-0.292522,0.881409,0.370875,0.000000,-1866606.448294,5624339.276868,2350739.745332,1],    "boundingVolume": {    "region": [1.891184,0.379894,1.891293,0.380009,0.000000,70.386220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/21_1120.b3dm"}}}