{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949002,-0.315270,0.000000,0.000000,0.175933,-0.529581,0.829814,0.000000,-0.261066,0.785842,0.560622,0.000000,-1666871.434592,5017488.646973,3555528.041797,1],    "boundingVolume": {    "region": [1.891490,0.595041,1.891585,0.595232,0.000000,8.788965]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1074690.b3dm"}}}