{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950495,-0.310741,0.000000,0.000000,0.173358,-0.530269,0.829917,0.000000,-0.257348,0.787176,0.560469,0.000000,-1643128.655320,5026005.524129,3554557.016203,1],    "boundingVolume": {    "region": [1.886677,0.594879,1.886860,0.595025,0.000000,8.821063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1449291.b3dm"}}}