{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950024,-0.312176,0.000000,0.000000,0.174242,-0.530258,0.829738,0.000000,-0.258480,0.786616,0.560734,0.000000,-1650361.847077,5022434.718106,3556241.476515,1],    "boundingVolume": {    "region": [1.888197,0.595207,1.888361,0.595338,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456741.b3dm"}}}