{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942107,-0.335313,0.000000,0.000000,0.187722,-0.527429,0.828601,0.000000,-0.277253,0.778981,0.562422,0.000000,-1770235.806805,4973717.258623,3566971.386680,1],    "boundingVolume": {    "region": [1.912671,0.597281,1.912796,0.597344,0.000000,8.588381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/9_1288577.b3dm"}}}