{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950585,-0.310464,0.000000,0.000000,0.173769,-0.532051,0.828689,0.000000,-0.256735,0.786076,0.562292,0.000000,-1639224.006324,5019015.154837,3566140.007597,1],    "boundingVolume": {    "region": [1.886428,0.597105,1.886526,0.597204,0.000000,8.691090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1384244.b3dm"}}}