{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949837,-0.312747,0.000000,0.000000,0.174591,-0.530246,0.829673,0.000000,-0.258932,0.786398,0.560831,0.000000,-1653248.380528,5021044.180259,3556860.081624,1],    "boundingVolume": {    "region": [1.888798,0.595324,1.888962,0.595455,0.000000,8.709913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355545.b3dm"}}}