{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896161,-0.443729,0.000000,0.000000,0.288206,-0.582066,0.760353,0.000000,-0.336432,0.679463,0.652030,0.000000,-2148871.804113,4339889.278777,4136787.344811,1],    "boundingVolume": {    "region": [2.030462,0.710206,2.030642,0.710311,0.000000,12.059700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784959.b3dm"}}}