{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948827,-0.315796,0.000000,0.000000,0.176294,-0.529685,0.829671,0.000000,-0.261456,0.785561,0.560834,0.000000,-1669362.495180,5015697.096315,3556877.726299,1],    "boundingVolume": {    "region": [1.892044,0.595281,1.892140,0.595505,0.000000,8.334332]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/14_1072728.b3dm"}}}