{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897583,-0.440845,0.000000,0.000000,0.283187,-0.576585,0.766391,0.000000,-0.336920,0.685988,0.644907,0.000000,-2151921.217117,4381429.114168,4091469.853478,1],    "boundingVolume": {    "region": [2.027272,0.700867,2.027399,0.700936,0.000000,8.358762]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_860747.b3dm"}}}