{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896341,-0.443365,0.000000,0.000000,0.287988,-0.582219,0.760319,0.000000,-0.336141,0.679569,0.652070,0.000000,-2147010.758150,4340565.765284,4137042.174154,1],    "boundingVolume": {    "region": [2.030056,0.710259,2.030235,0.710364,0.000000,9.620401]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/15_1783771.b3dm"}}}