{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897644,-0.440722,0.000000,0.000000,0.285499,-0.581492,0.761812,0.000000,-0.334799,0.681904,0.650321,0.000000,-2138420.762498,4355445.406016,4125912.752811,1],    "boundingVolume": {    "region": [2.027123,0.707893,2.027275,0.708120,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796476.b3dm"}}}