{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949093,-0.314996,0.000000,0.000000,0.175869,-0.529897,0.829626,0.000000,-0.260780,0.785738,0.560901,0.000000,-1665044.713613,5016828.472179,3557303.114562,1],    "boundingVolume": {    "region": [1.891180,0.595421,1.891318,0.595527,0.000000,8.170369]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1374643.b3dm"}}}