{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950819,-0.309748,0.000000,0.000000,0.173321,-0.532037,0.828792,0.000000,-0.256175,0.786368,0.562139,0.000000,-1635648.296849,5020876.763066,3565167.728094,1],    "boundingVolume": {    "region": [1.885641,0.596885,1.885807,0.597054,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388373.b3dm"}}}