{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949094,-0.314993,0.000000,0.000000,0.175821,-0.529760,0.829724,0.000000,-0.260808,0.785832,0.560756,0.000000,-1665225.923333,5017425.832814,3556381.879020,1],    "boundingVolume": {    "region": [1.891177,0.595246,1.891315,0.595352,0.000000,8.805649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1374972.b3dm"}}}