{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949102,-0.314970,0.000000,0.000000,0.116113,-0.349885,0.929569,0.000000,-0.292518,0.881445,0.370793,0.000000,-1866577.855847,5624568.300352,2350217.938634,1],    "boundingVolume": {    "region": [1.891168,0.379805,1.891276,0.379920,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_77267.b3dm"}}}