{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950087,-0.311986,0.000000,0.000000,0.174465,-0.531295,0.829028,0.000000,-0.258100,0.785988,0.561789,0.000000,-1647937.142907,5018446.239160,3562944.996461,1],    "boundingVolume": {    "region": [1.888010,0.596442,1.888148,0.596651,0.000000,8.673000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1335054.b3dm"}}}