{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948982,-0.315329,0.000000,0.000000,0.175962,-0.529557,0.829824,0.000000,-0.261118,0.785835,0.560607,0.000000,-1667203.400107,5017443.847612,3555436.234346,1],    "boundingVolume": {    "region": [1.891553,0.595024,1.891647,0.595214,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074932.b3dm"}}}