{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949521,-0.313703,0.000000,0.000000,0.175037,-0.529803,0.829862,0.000000,-0.259784,0.786318,0.560550,0.000000,-1658682.862597,5020525.525555,3555073.661864,1],    "boundingVolume": {    "region": [1.889806,0.594917,1.889968,0.595183,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1370665.b3dm"}}}