{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949173,-0.314754,0.000000,0.000000,0.175624,-0.529612,0.829860,0.000000,-0.260654,0.786028,0.560553,0.000000,-1664235.432153,5018674.310871,3555092.379048,1],    "boundingVolume": {    "region": [1.890946,0.594959,1.891041,0.595149,0.000000,8.698005]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/29_1457773.b3dm"}}}