{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949423,-0.314000,0.000000,0.000000,0.175187,-0.529701,0.829895,0.000000,-0.260040,0.786268,0.560501,0.000000,-1660318.237588,5020209.049680,3554759.294745,1],    "boundingVolume": {    "region": [1.890118,0.594858,1.890280,0.595123,0.000000,8.761425]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1371813.b3dm"}}}