{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950889,-0.309531,0.000000,0.000000,0.173182,-0.532022,0.828831,0.000000,-0.256007,0.786464,0.562081,0.000000,-1634578.178649,5021485.572261,3564803.511733,1],    "boundingVolume": {    "region": [1.885413,0.596816,1.885578,0.596985,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387902.b3dm"}}}