{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949133,-0.314877,0.000000,0.000000,0.174940,-0.527322,0.831461,0.000000,-0.261263,0.787525,0.558163,0.000000,-1668112.809084,5028186.988336,3539903.218706,1],    "boundingVolume": {    "region": [1.891076,0.592075,1.891171,0.592266,0.000000,8.627431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_1321667.b3dm"}}}