{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897866,-0.440268,0.000000,0.000000,0.282649,-0.576424,0.766711,0.000000,-0.336622,0.686493,0.644526,0.000000,-2150010.235548,4384646.465698,4089043.494304,1],    "boundingVolume": {    "region": [2.026631,0.700368,2.026757,0.700437,0.000000,15.922161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_852780.b3dm"}}}