{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897631,-0.440747,0.000000,0.000000,0.283163,-0.576693,0.766318,0.000000,-0.336813,0.685959,0.644993,0.000000,-2151240.071992,4381247.954255,4092018.308410,1],    "boundingVolume": {    "region": [2.027163,0.700980,2.027290,0.701049,0.000000,10.326657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861693.b3dm"}}}