{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893962,-0.448144,0.000000,0.000000,0.288788,-0.576078,0.764680,0.000000,-0.341728,0.681683,0.646940,0.000000,-2182647.503692,4353969.225034,4104399.983192,1],    "boundingVolume": {    "region": [2.035401,0.703483,2.035567,0.703645,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870103.b3dm"}}}