{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949337,-0.314261,0.000000,0.000000,0.175684,-0.530715,0.829142,0.000000,-0.260018,0.785477,0.561619,0.000000,-1660184.032507,5015178.173279,3561868.204135,1],    "boundingVolume": {    "region": [1.890425,0.596301,1.890524,0.596383,0.000000,8.777598]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1416228.b3dm"}}}