{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899084,-0.437776,0.000000,0.000000,0.282752,-0.580704,0.763436,0.000000,-0.333275,0.684465,0.648410,0.000000,-2128669.578757,4371767.457404,4113756.707562,1],    "boundingVolume": {    "region": [2.023837,0.705435,2.024002,0.705554,0.000000,17.353750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827856.b3dm"}}}