{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950293,-0.311357,0.000000,0.000000,0.174065,-0.531265,0.829132,0.000000,-0.257612,0.786258,0.561636,0.000000,-1644821.784628,5020164.389361,3561970.539257,1],    "boundingVolume": {    "region": [1.887341,0.596269,1.887493,0.596454,0.000000,8.719424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1331505.b3dm"}}}