{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950051,-0.312096,0.000000,0.000000,0.174375,-0.530813,0.829356,0.000000,-0.258294,0.786272,0.561303,0.000000,-1649174.765936,5020247.416539,3559854.401436,1],    "boundingVolume": {    "region": [1.888109,0.595856,1.888280,0.596061,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1430163.b3dm"}}}