{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949068,-0.315072,0.000000,0.000000,0.175671,-0.529161,0.830138,0.000000,-0.261005,0.786206,0.560140,0.000000,-1666475.915505,5019802.982735,3552466.055831,1],    "boundingVolume": {    "region": [1.891281,0.594460,1.891376,0.594650,0.000000,11.488188]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/26_1462068.b3dm"}}}