{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950043,-0.312119,0.000000,0.000000,0.174274,-0.530464,0.829600,0.000000,-0.258389,0.786500,0.560940,0.000000,-1649781.440297,5021693.285970,3557548.766807,1],    "boundingVolume": {    "region": [1.888137,0.595455,1.888300,0.595586,0.000000,8.776923]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455408.b3dm"}}}