{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896323,-0.443401,0.000000,0.000000,0.283762,-0.573617,0.768403,0.000000,-0.339771,0.686838,0.642503,0.000000,-2170107.735261,4386810.011163,4076172.709288,1],    "boundingVolume": {    "region": [2.030120,0.697700,2.030253,0.697819,0.000000,47.558802]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_539936.b3dm"}}}