{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894795,-0.446478,0.000000,0.000000,0.284614,-0.570400,0.770480,0.000000,-0.343061,0.687535,0.640004,0.000000,-2191093.083035,4391215.125693,4060279.051015,1],    "boundingVolume": {    "region": [2.033554,0.694442,2.033688,0.694566,0.000000,51.199289]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1137725.b3dm"}}}