{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949067,-0.315075,0.000000,0.000000,0.175865,-0.529740,0.829727,0.000000,-0.260878,0.785813,0.560751,0.000000,-1665667.170563,5017304.176153,3556347.111913,1],    "boundingVolume": {    "region": [1.891264,0.595239,1.891401,0.595345,0.000000,8.805649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1375006.b3dm"}}}