{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948983,-0.315326,0.000000,0.000000,0.175907,-0.529396,0.829938,0.000000,-0.261152,0.785945,0.560437,0.000000,-1667419.271327,5018142.579529,3554355.995686,1],    "boundingVolume": {    "region": [1.891550,0.594819,1.891644,0.595009,0.000000,11.164096]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/28_1076451.b3dm"}}}