{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950475,-0.310801,0.000000,0.000000,0.173380,-0.530219,0.829944,0.000000,-0.257406,0.787186,0.560428,0.000000,-1643502.542215,5026067.216161,3554298.664710,1],    "boundingVolume": {    "region": [1.886741,0.594830,1.886924,0.594976,0.000000,8.810721]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1449158.b3dm"}}}