{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949067,-0.315076,0.000000,0.000000,0.116869,-0.352032,0.928663,0.000000,-0.292327,0.880544,0.373078,0.000000,-1865371.587725,5618848.743025,2364714.110583,1],    "boundingVolume": {    "region": [1.891309,0.382283,1.891356,0.382366,0.000000,6.777672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/24.b3dm"}}}