{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871390,-0.490591,0.000000,0.000000,0.211796,-0.376193,0.902010,0.000000,-0.441961,0.785013,0.434078,0.000000,-2820670.429474,5010083.485270,2751813.709937,1],    "boundingVolume": {    "region": [2.083508,0.448975,2.083621,0.449055,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222735.b3dm"}}}