{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871395,-0.490582,0.000000,0.000000,0.211804,-0.376216,0.901998,0.000000,-0.441947,0.785008,0.434102,0.000000,-2820581.269594,5010049.999102,2751965.041582,1],    "boundingVolume": {    "region": [2.083498,0.449001,2.083610,0.449082,0.000000,71.686345]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_223775.b3dm"}}}