{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894738,-0.446591,0.000000,0.000000,0.284762,-0.570517,0.770338,0.000000,-0.343084,0.687364,0.640175,0.000000,-2191245.964757,4390127.698701,4061364.994899,1],    "boundingVolume": {    "region": [2.033681,0.694664,2.033815,0.694788,0.000000,50.470221]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_984140.b3dm"}}}