{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949074,-0.315053,0.000000,0.000000,0.176094,-0.530471,0.829211,0.000000,-0.260695,0.785326,0.561517,0.000000,-1664508.634638,5014208.575186,3561219.279571,1],    "boundingVolume": {    "region": [1.891240,0.596165,1.891378,0.596272,0.000000,8.805275]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1446515.b3dm"}}}