{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897628,-0.440754,0.000000,0.000000,0.285547,-0.581538,0.761759,0.000000,-0.334799,0.681843,0.650384,0.000000,-2138425.611771,4355060.062482,4126314.276696,1],    "boundingVolume": {    "region": [2.027159,0.707976,2.027311,0.708204,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1797077.b3dm"}}}