{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949595,-0.313479,0.000000,0.000000,0.174952,-0.529966,0.829776,0.000000,-0.259571,0.786296,0.560679,0.000000,-1657325.852591,5020391.256568,3555890.554137,1],    "boundingVolume": {    "region": [1.889570,0.595073,1.889732,0.595338,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1369313.b3dm"}}}