{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949013,-0.315238,0.000000,0.000000,0.175931,-0.529634,0.829781,0.000000,-0.261030,0.785819,0.560671,0.000000,-1666636.652952,5017345.285586,3555838.303450,1],    "boundingVolume": {    "region": [1.891457,0.595100,1.891551,0.595291,0.000000,8.772595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1073692.b3dm"}}}