{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896163,-0.443724,0.000000,0.000000,0.288194,-0.582047,0.760372,0.000000,-0.336437,0.679482,0.652008,0.000000,-2148903.083456,4340009.934368,4136645.469105,1],    "boundingVolume": {    "region": [2.030457,0.710177,2.030636,0.710282,0.000000,12.059700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784960.b3dm"}}}