{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897674,-0.440661,0.000000,0.000000,0.284472,-0.579499,0.763713,0.000000,-0.335594,0.683641,0.648083,0.000000,-2143480.165781,4366497.019302,4111677.389228,1],    "boundingVolume": {    "region": [2.027080,0.705030,2.027183,0.705100,0.000000,6.739593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/9_1845052.b3dm"}}}