{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949324,-0.314300,0.000000,0.000000,0.175715,-0.530735,0.829123,0.000000,-0.260045,0.785448,0.561648,0.000000,-1660354.293832,5014991.295972,3562050.728463,1],    "boundingVolume": {    "region": [1.890466,0.596336,1.890565,0.596417,0.000000,8.018089]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417092.b3dm"}}}