{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949735,-0.313056,0.000000,0.000000,0.175020,-0.530966,0.829122,0.000000,-0.259015,0.785787,0.561650,0.000000,-1653778.033722,5017154.736775,3562063.366577,1],    "boundingVolume": {    "region": [1.889129,0.596295,1.889282,0.596463,0.000000,10.279584]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1403567.b3dm"}}}