{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950382,-0.311086,0.000000,0.000000,0.174065,-0.531775,0.828804,0.000000,-0.257286,0.786018,0.562120,0.000000,-1642741.975429,5018642.483896,3565052.831665,1],    "boundingVolume": {    "region": [1.887083,0.596898,1.887181,0.596997,0.000000,8.139250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1326749.b3dm"}}}