{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312107,0.000000,0.000000,0.174272,-0.530481,0.829590,0.000000,-0.258377,0.786493,0.560955,0.000000,-1649702.642231,5021650.656289,3557644.833182,1],    "boundingVolume": {    "region": [1.888125,0.595473,1.888289,0.595604,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455634.b3dm"}}}