{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949161,-0.314793,0.000000,0.000000,0.176050,-0.530825,0.828994,0.000000,-0.260411,0.785189,0.561840,0.000000,-1662693.890314,5013344.514227,3563269.113120,1],    "boundingVolume": {    "region": [1.890984,0.596597,1.891085,0.596619,0.000000,10.701835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/9_1419997.b3dm"}}}