{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950670,-0.310205,0.000000,0.000000,0.173025,-0.530260,0.829992,0.000000,-0.256928,0.787393,0.560357,0.000000,-1640446.081890,5027388.984780,3553844.351926,1],    "boundingVolume": {    "region": [1.886114,0.594744,1.886296,0.594890,0.000000,6.442284]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1375398.b3dm"}}}