{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948838,-0.315763,0.000000,0.000000,0.176388,-0.530029,0.829432,0.000000,-0.261353,0.785341,0.561190,0.000000,-1668706.727798,5014300.173854,3559139.058175,1],    "boundingVolume": {    "region": [1.891989,0.595770,1.892126,0.595876,0.000000,8.713683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1147243.b3dm"}}}