{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949750,-0.313011,0.000000,0.000000,0.174947,-0.530830,0.829225,0.000000,-0.259010,0.785897,0.561497,0.000000,-1653746.521612,5017859.287736,3561091.982599,1],    "boundingVolume": {    "region": [1.889081,0.596110,1.889235,0.596278,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436681.b3dm"}}}