{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857739,-0.514085,0.000000,0.000000,0.262977,-0.438772,0.859257,0.000000,-0.440951,0.735717,0.514083,0.000000,-2814939.343871,4696662.988731,3259829.393133,1],    "boundingVolume": {    "region": [2.110655,0.539876,2.110819,0.540001,0.000000,5.482433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/3_330414.b3dm"}}}