{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898041,-0.439911,0.000000,0.000000,0.281268,-0.574185,0.768896,0.000000,-0.337315,0.688599,0.641911,0.000000,-2154412.348746,4398048.655190,4072411.524527,1],    "boundingVolume": {    "region": [2.026250,0.696960,2.026343,0.697017,0.000000,48.759806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_391073.b3dm"}}}