{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943943,-0.330108,0.000000,0.000000,0.184366,-0.527192,0.829504,0.000000,-0.273251,0.781359,0.561082,0.000000,-1744669.282811,4988871.953883,3558451.616865,1],    "boundingVolume": {    "region": [1.907167,0.595635,1.907262,0.595750,0.000000,8.789196]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1297458.b3dm"}}}