{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950879,-0.309563,0.000000,0.000000,0.173292,-0.532298,0.828631,0.000000,-0.255972,0.786263,0.562378,0.000000,-1634354.554621,5020210.414669,3566688.831471,1],    "boundingVolume": {    "region": [1.885447,0.597174,1.885613,0.597343,0.000000,8.790559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_1383711.b3dm"}}}