{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950280,-0.311397,0.000000,0.000000,0.117173,-0.357573,0.926505,0.000000,-0.288235,0.879598,0.378455,0.000000,-1839286.055372,5612885.397429,2398831.838980,1],    "boundingVolume": {    "region": [1.887458,0.388126,1.887460,0.388128,0.000000,5.636332]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/26.b3dm"}}}