{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898144,-0.439702,0.000000,0.000000,0.283907,-0.579915,0.763607,0.000000,-0.334817,0.683903,0.648208,0.000000,-2138516.683274,4368176.508868,4112472.577645,1],    "boundingVolume": {    "region": [2.025997,0.705118,2.026129,0.705341,0.000000,19.091116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1844708.b3dm"}}}