{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950431,-0.310937,0.000000,0.000000,0.173988,-0.531825,0.828788,0.000000,-0.257157,0.786043,0.562144,0.000000,-1641919.947430,5018803.593242,3565203.696920,1],    "boundingVolume": {    "region": [1.886926,0.596927,1.887024,0.597026,0.000000,8.805056]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1396920.b3dm"}}}