{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949210,-0.314642,0.000000,0.000000,0.115922,-0.349712,0.929658,0.000000,-0.292241,0.881632,0.370567,0.000000,-1864813.161401,5625756.442650,2348784.268545,1],    "boundingVolume": {    "region": [1.890822,0.379562,1.890930,0.379677,0.000000,40.140716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/18_74827.b3dm"}}}