{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948597,-0.316485,0.000000,0.000000,0.176646,-0.529459,0.829741,0.000000,-0.262049,0.785437,0.560731,0.000000,-1673147.115679,5014904.925624,3556220.812881,1],    "boundingVolume": {    "region": [1.892770,0.595157,1.892866,0.595380,0.000000,8.766100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1073206.b3dm"}}}