{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948555,-0.316613,0.000000,0.000000,0.176523,-0.528852,0.830154,0.000000,-0.262287,0.785796,0.560116,0.000000,-1674659.693840,5017188.353935,3552312.252007,1],    "boundingVolume": {    "region": [1.892905,0.594414,1.893001,0.594637,0.000000,8.787636]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_1214860.b3dm"}}}