{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897658,-0.440693,0.000000,0.000000,0.285452,-0.581444,0.761866,0.000000,-0.334801,0.681963,0.650258,0.000000,-2138434.037115,4355820.645216,4125512.419615,1],    "boundingVolume": {    "region": [2.027092,0.707810,2.027243,0.708038,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796050.b3dm"}}}