{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949612,-0.313428,0.000000,0.000000,0.174920,-0.529968,0.829781,0.000000,-0.259530,0.786316,0.560671,0.000000,-1657063.702657,5020515.227349,3555838.049951,1],    "boundingVolume": {    "region": [1.889516,0.595063,1.889678,0.595328,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369459.b3dm"}}}