{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950653,-0.310255,0.000000,0.000000,0.173492,-0.531597,0.829038,0.000000,-0.256671,0.786467,0.561774,0.000000,-1638814.913556,5021501.618267,3562848.347664,1],    "boundingVolume": {    "region": [1.886209,0.596479,1.886306,0.596578,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390328.b3dm"}}}