{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897627,-0.440755,0.000000,0.000000,0.285543,-0.581527,0.761769,0.000000,-0.334805,0.681852,0.650372,0.000000,-2138460.520254,4355118.121437,4126235.438201,1],    "boundingVolume": {    "region": [2.027160,0.707960,2.027312,0.708187,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796943.b3dm"}}}