{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897636,-0.440738,0.000000,0.000000,0.285530,-0.581529,0.761772,0.000000,-0.334793,0.681862,0.650368,0.000000,-2138383.178940,4355176.703314,4126213.834052,1],    "boundingVolume": {    "region": [2.027141,0.707955,2.027292,0.708183,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796905.b3dm"}}}