{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950220,-0.311579,0.000000,0.000000,0.173881,-0.530283,0.829798,0.000000,-0.258005,0.786836,0.560645,0.000000,-1647323.628787,5023835.509690,3555675.313278,1],    "boundingVolume": {    "region": [1.887601,0.595106,1.887700,0.595223,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453800.b3dm"}}}