{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948999,-0.315280,0.000000,0.000000,0.175941,-0.529586,0.829809,0.000000,-0.261073,0.785835,0.560628,0.000000,-1666914.554907,5017444.650620,3555569.632188,1],    "boundingVolume": {    "region": [1.891501,0.595049,1.891595,0.595240,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074535.b3dm"}}}