{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942863,-0.333180,0.000000,0.000000,0.186722,-0.528405,0.828205,0.000000,-0.275357,0.779231,0.563008,0.000000,-1758129.089592,4975320.842987,3570695.801545,1],    "boundingVolume": {    "region": [1.910408,0.597990,1.910533,0.598053,0.000000,7.658552]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/21_1249125.b3dm"}}}