{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949654,-0.313301,0.000000,0.000000,0.174849,-0.529989,0.829783,0.000000,-0.259426,0.786352,0.560668,0.000000,-1656399.656581,5020746.670833,3555820.773497,1],    "boundingVolume": {    "region": [1.889383,0.595059,1.889545,0.595325,0.000000,8.667473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356839.b3dm"}}}