{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950640,-0.310296,0.000000,0.000000,0.173684,-0.532108,0.828670,0.000000,-0.256590,0.786103,0.562319,0.000000,-1638303.006424,5019190.738805,3566314.932716,1],    "boundingVolume": {    "region": [1.886218,0.597103,1.886384,0.597272,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384516.b3dm"}}}