{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949128,-0.314889,0.000000,0.000000,0.175660,-0.529467,0.829945,0.000000,-0.260793,0.786072,0.560427,0.000000,-1665122.103842,5018953.308137,3554288.651105,1],    "boundingVolume": {    "region": [1.891089,0.594806,1.891184,0.594996,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1457580.b3dm"}}}