{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948861,-0.315693,0.000000,0.000000,0.176406,-0.530214,0.829309,0.000000,-0.261256,0.785243,0.561372,0.000000,-1668089.050368,5013679.582677,3560294.891735,1],    "boundingVolume": {    "region": [1.891915,0.595989,1.892052,0.596096,0.000000,8.808038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1068482.b3dm"}}}