{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950336,-0.311225,0.000000,0.000000,0.174064,-0.531510,0.828975,0.000000,-0.257454,0.786144,0.561868,0.000000,-1643812.775784,5019439.401766,3563447.773261,1],    "boundingVolume": {    "region": [1.887202,0.596550,1.887354,0.596735,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399557.b3dm"}}}