{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949599,-0.313469,0.000000,0.000000,0.175022,-0.530199,0.829612,0.000000,-0.259511,0.786143,0.560922,0.000000,-1656941.560377,5019417.813905,3557433.134577,1],    "boundingVolume": {    "region": [1.889590,0.595458,1.889689,0.595539,0.000000,19.445033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/2_1457505.b3dm"}}}