{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895828,-0.444402,0.000000,0.000000,0.283931,-0.572350,0.769285,0.000000,-0.340932,0.687252,0.641444,0.000000,-2177509.967890,4389438.464892,4069435.314642,1],    "boundingVolume": {    "region": [2.031248,0.696325,2.031357,0.696432,0.000000,41.832949]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/0_639838.b3dm"}}}