{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897716,-0.440575,0.000000,0.000000,0.282913,-0.576463,0.766584,0.000000,-0.336800,0.686264,0.644677,0.000000,-2151152.619192,4383184.811121,4090003.149411,1],    "boundingVolume": {    "region": [2.026972,0.700566,2.027099,0.700635,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858179.b3dm"}}}