{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950668,-0.310209,0.000000,0.000000,0.173540,-0.531832,0.828878,0.000000,-0.256583,0.786326,0.562012,0.000000,-1638255.500910,5020603.941546,3564360.184968,1],    "boundingVolume": {    "region": [1.886127,0.596731,1.886292,0.596900,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1395784.b3dm"}}}