{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949677,-0.313231,0.000000,0.000000,0.174716,-0.529716,0.829985,0.000000,-0.259432,0.786564,0.560367,0.000000,-1656432.208390,5022097.063769,3553910.980734,1],    "boundingVolume": {    "region": [1.889308,0.594696,1.889471,0.594962,0.000000,8.782894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376216.b3dm"}}}