{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950527,-0.310643,0.000000,0.000000,0.173100,-0.529663,0.830358,0.000000,-0.257405,0.787625,0.559812,0.000000,-1643491.203675,5028858.085672,3550380.527676,1],    "boundingVolume": {    "region": [1.886575,0.594086,1.886758,0.594232,0.000000,7.578521]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_1375963.b3dm"}}}