{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950161,-0.311758,0.000000,0.000000,0.173884,-0.529954,0.830008,0.000000,-0.258219,0.786988,0.560333,0.000000,-1648691.191711,5024800.855409,3553690.213128,1],    "boundingVolume": {    "region": [1.887757,0.594722,1.887921,0.594853,0.000000,8.791878]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1459782.b3dm"}}}