{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948997,-0.315285,0.000000,0.000000,0.175952,-0.529611,0.829791,0.000000,-0.261071,0.785816,0.560655,0.000000,-1666901.899056,5017325.987407,3555741.850290,1],    "boundingVolume": {    "region": [1.891505,0.595082,1.891600,0.595272,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1073985.b3dm"}}}