{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950613,-0.310380,0.000000,0.000000,0.173220,-0.530529,0.829780,0.000000,-0.257006,0.787143,0.560673,0.000000,-1640947.511294,5025795.610302,3555852.437777,1],    "boundingVolume": {    "region": [1.886331,0.595141,1.886447,0.595255,0.000000,8.806847]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1450026.b3dm"}}}