{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949210,-0.314643,0.000000,0.000000,0.116364,-0.351046,0.929100,0.000000,-0.292064,0.881096,0.371978,0.000000,-1863689.675098,5622358.327952,2357735.126930,1],    "boundingVolume": {    "region": [1.890807,0.381089,1.890946,0.381189,0.000000,4.707566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/12_67897.b3dm"}}}