{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950982,-0.309245,0.000000,0.000000,0.172860,-0.531575,0.829185,0.000000,-0.255881,0.786880,0.561556,0.000000,-1633771.333079,5024131.913697,3561465.612305,1],    "boundingVolume": {    "region": [1.885123,0.596155,1.885268,0.596375,0.000000,8.289739]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1338901.b3dm"}}}