{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948840,-0.315759,0.000000,0.000000,0.176223,-0.529541,0.829778,0.000000,-0.261459,0.785673,0.560675,0.000000,-1669381.266451,5016411.644150,3555867.893143,1],    "boundingVolume": {    "region": [1.892004,0.595090,1.892100,0.595313,0.000000,8.309388]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1073619.b3dm"}}}