{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950477,-0.310795,0.000000,0.000000,0.173819,-0.531575,0.828984,0.000000,-0.257101,0.786269,0.561854,0.000000,-1641560.087483,5020238.479333,3563361.142708,1],    "boundingVolume": {    "region": [1.886777,0.596576,1.886875,0.596675,0.000000,10.607635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1328772.b3dm"}}}