{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949403,-0.314060,0.000000,0.000000,0.175092,-0.529302,0.830170,0.000000,-0.260177,0.786514,0.560092,0.000000,-1661187.112695,5021772.738837,3552161.253488,1],    "boundingVolume": {    "region": [1.890181,0.594364,1.890343,0.594630,0.000000,8.785751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1461703.b3dm"}}}