{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950057,-0.312077,0.000000,0.000000,0.174043,-0.529839,0.830048,0.000000,-0.258496,0.786939,0.560273,0.000000,-1650457.532757,5024489.260379,3553313.392699,1],    "boundingVolume": {    "region": [1.888093,0.594650,1.888257,0.594781,0.000000,9.826931]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1376856.b3dm"}}}