{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944264,-0.329188,0.000000,0.000000,0.183954,-0.527667,0.829294,0.000000,-0.272419,0.781425,0.561394,0.000000,-1739363.394807,4989298.633848,3560436.919952,1],    "boundingVolume": {    "region": [1.906183,0.596032,1.906297,0.596107,0.000000,8.394746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_730428.b3dm"}}}