{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948860,-0.315698,0.000000,0.000000,0.176359,-0.530062,0.829417,0.000000,-0.261295,0.785345,0.561212,0.000000,-1668332.970334,5014323.875983,3559279.930114,1],    "boundingVolume": {    "region": [1.891920,0.595796,1.892058,0.595903,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147425.b3dm"}}}