{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949986,-0.312292,0.000000,0.000000,0.174488,-0.530789,0.829347,0.000000,-0.258454,0.786210,0.561316,0.000000,-1650194.253336,5019853.076138,3559937.488873,1],    "boundingVolume": {    "region": [1.888316,0.595872,1.888487,0.596077,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434336.b3dm"}}}