{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896375,-0.443297,0.000000,0.000000,0.283675,-0.573611,0.768439,0.000000,-0.339707,0.686910,0.642459,0.000000,-2169698.708050,4387274.182696,4075892.755660,1],    "boundingVolume": {    "region": [2.030003,0.697643,2.030136,0.697762,0.000000,52.050928]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/1_531047.b3dm"}}}