{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950149,-0.311797,0.000000,0.000000,0.174242,-0.530973,0.829281,0.000000,-0.258023,0.786282,0.561413,0.000000,-1647445.477453,5020313.505369,3560557.102018,1],    "boundingVolume": {    "region": [1.887811,0.595988,1.887949,0.596197,0.000000,8.480016]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1349968.b3dm"}}}