{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949051,-0.315123,0.000000,0.000000,0.116139,-0.349775,0.929607,0.000000,-0.292672,0.881435,0.370696,0.000000,-1867560.170426,5624499.880356,2349605.355225,1],    "boundingVolume": {    "region": [1.891328,0.379701,1.891437,0.379816,0.000000,12.901085]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/20_75996.b3dm"}}}