{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894639,-0.446789,0.000000,0.000000,0.284877,-0.570432,0.770359,0.000000,-0.343245,0.687306,0.640150,0.000000,-2192275.306559,4389759.912105,4061208.095392,1],    "boundingVolume": {    "region": [2.033902,0.694632,2.034036,0.694756,0.000000,81.989569]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1138560.b3dm"}}}