{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948974,-0.315354,0.000000,0.000000,0.176075,-0.529853,0.829611,0.000000,-0.261071,0.785625,0.560924,0.000000,-1666902.046811,5016107.531739,3557448.955333,1],    "boundingVolume": {    "region": [1.891557,0.595448,1.891694,0.595555,0.000000,8.752248]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4_1071452.b3dm"}}}