{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949601,-0.313462,0.000000,0.000000,0.174941,-0.529965,0.829779,0.000000,-0.259558,0.786304,0.560674,0.000000,-1657241.126640,5020440.261225,3555861.053151,1],    "boundingVolume": {    "region": [1.889552,0.595067,1.889714,0.595333,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369395.b3dm"}}}