{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949192,-0.314698,0.000000,0.000000,0.115285,-0.347723,0.930483,0.000000,-0.292556,0.882406,0.368471,0.000000,-1866811.411664,5630666.001094,2335484.239570,1],    "boundingVolume": {    "region": [1.890873,0.377315,1.890998,0.377412,0.000000,52.727660]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_23505.b3dm"}}}