{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858338,-0.513085,0.000000,0.000000,0.262850,-0.439720,0.858811,0.000000,-0.439863,0.735845,0.514833,0.000000,-2807996.351665,4697491.448051,3264588.143677,1],    "boundingVolume": {    "region": [2.109489,0.540750,2.109653,0.540875,0.000000,6.837033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_278818.b3dm"}}}