{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948987,-0.315315,0.000000,0.000000,0.175959,-0.529575,0.829812,0.000000,-0.261103,0.785828,0.560624,0.000000,-1667107.120737,5017398.474686,3555544.677668,1],    "boundingVolume": {    "region": [1.891538,0.595044,1.891633,0.595235,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074611.b3dm"}}}