{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950034,-0.312146,0.000000,0.000000,0.174063,-0.529770,0.830088,0.000000,-0.258565,0.786959,0.560213,0.000000,-1650901.070509,5024614.555408,3552932.720746,1],    "boundingVolume": {    "region": [1.888165,0.594578,1.888329,0.594709,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460853.b3dm"}}}