{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897720,-0.440566,0.000000,0.000000,0.282904,-0.576460,0.766590,0.000000,-0.336796,0.686272,0.644670,0.000000,-2151122.472301,4383238.803639,4089961.422979,1],    "boundingVolume": {    "region": [2.026962,0.700557,2.027089,0.700626,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858068.b3dm"}}}