{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948982,-0.315329,0.000000,0.000000,0.175964,-0.529562,0.829820,0.000000,-0.261117,0.785831,0.560613,0.000000,-1667194.435169,5017420.172975,3555473.595800,1],    "boundingVolume": {    "region": [1.891552,0.595031,1.891647,0.595221,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074829.b3dm"}}}