{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944014,-0.329906,0.000000,0.000000,0.184146,-0.526926,0.829723,0.000000,-0.273156,0.781625,0.560757,0.000000,-1744061.148950,4990564.936131,3556389.097652,1],    "boundingVolume": {    "region": [1.906953,0.595243,1.907048,0.595358,0.000000,8.734066]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1276016.b3dm"}}}