{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950749,-0.309962,0.000000,0.000000,0.173317,-0.531617,0.829063,0.000000,-0.256437,0.786569,0.561738,0.000000,-1637318.946869,5022152.870508,3562619.732952,1],    "boundingVolume": {    "region": [1.885867,0.596400,1.886033,0.596569,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1386098.b3dm"}}}