{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949139,-0.314858,0.000000,0.000000,0.175858,-0.530122,0.829484,0.000000,-0.260621,0.785640,0.561112,0.000000,-1664030.333182,5016209.589595,3558641.242971,1],    "boundingVolume": {    "region": [1.891035,0.595675,1.891172,0.595781,0.000000,8.797547]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1365035.b3dm"}}}