{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896304,-0.443440,0.000000,0.000000,0.283787,-0.573605,0.768403,0.000000,-0.339801,0.686823,0.642503,0.000000,-2170296.098690,4386717.130127,4076172.382864,1],    "boundingVolume": {    "region": [2.030163,0.697700,2.030296,0.697819,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_543253.b3dm"}}}