{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898021,-0.439953,0.000000,0.000000,0.281242,-0.574063,0.768996,0.000000,-0.337391,0.688674,0.641791,0.000000,-2154901.487648,4398524.492770,4071643.914156,1],    "boundingVolume": {    "region": [2.026297,0.696803,2.026390,0.696859,0.000000,23.336062]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_750669.b3dm"}}}