{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895927,-0.444202,0.000000,0.000000,0.283861,-0.572530,0.769176,0.000000,-0.340730,0.687230,0.641574,0.000000,-2176220.734321,4389301.118225,4070267.416208,1],    "boundingVolume": {    "region": [2.031025,0.696495,2.031134,0.696603,0.000000,57.944838]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_614646.b3dm"}}}