{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948710,-0.316146,0.000000,0.000000,0.176430,-0.529442,0.829798,0.000000,-0.261787,0.785585,0.560646,0.000000,-1671471.203450,5015848.153186,3555682.253441,1],    "boundingVolume": {    "region": [1.892413,0.595054,1.892509,0.595277,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179068.b3dm"}}}