{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949588,-0.313502,0.000000,0.000000,0.174959,-0.529945,0.829788,0.000000,-0.259594,0.786302,0.560661,0.000000,-1657468.530086,5020427.210517,3555774.073556,1],    "boundingVolume": {    "region": [1.889594,0.595050,1.889756,0.595316,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1457347.b3dm"}}}