{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944146,-0.329528,0.000000,0.000000,0.184093,-0.527452,0.829400,0.000000,-0.272736,0.781427,0.561237,0.000000,-1741383.322154,4989311.454118,3559438.186094,1],    "boundingVolume": {    "region": [1.906553,0.595822,1.906648,0.595937,0.000000,8.299942]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1266984.b3dm"}}}