{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949183,-0.314726,0.000000,0.000000,0.175942,-0.530624,0.829146,0.000000,-0.260404,0.785353,0.561614,0.000000,-1662649.085341,5014385.494420,3561834.636686,1],    "boundingVolume": {    "region": [1.890896,0.596282,1.891033,0.596389,0.000000,10.345982]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1416039.b3dm"}}}