{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950541,-0.310599,0.000000,0.000000,0.173350,-0.530509,0.829765,0.000000,-0.257183,0.787069,0.560695,0.000000,-1642079.161699,5025327.352324,3555990.889090,1],    "boundingVolume": {    "region": [1.886562,0.595167,1.886678,0.595282,0.000000,8.434679]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1345613.b3dm"}}}