{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897655,-0.440699,0.000000,0.000000,0.285484,-0.581499,0.761812,0.000000,-0.334782,0.681912,0.650321,0.000000,-2138311.942890,4355498.353955,4125913.254271,1],    "boundingVolume": {    "region": [2.027098,0.707893,2.027250,0.708121,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796479.b3dm"}}}