{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892983,-0.450091,0.000000,0.000000,0.290380,-0.576114,0.764050,0.000000,-0.342928,0.680371,0.647685,0.000000,-2190320.185226,4345604.867704,4109142.327394,1],    "boundingVolume": {    "region": [2.037612,0.704507,2.037716,0.704576,0.000000,48.761477]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/13_1963955.b3dm"}}}