{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949993,-0.312270,0.000000,0.000000,0.174139,-0.529768,0.830073,0.000000,-0.258664,0.786911,0.560236,0.000000,-1651527.541577,5024308.688530,3553073.169627,1],    "boundingVolume": {    "region": [1.888296,0.594605,1.888460,0.594736,0.000000,20.097074]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1461120.b3dm"}}}