{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948713,-0.316138,0.000000,0.000000,0.176459,-0.529545,0.829725,0.000000,-0.261757,0.785518,0.560754,0.000000,-1671279.480739,5015423.275552,3556367.023995,1],    "boundingVolume": {    "region": [1.892404,0.595184,1.892500,0.595408,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179755.b3dm"}}}