{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949909,-0.312527,0.000000,0.000000,0.174496,-0.530372,0.829612,0.000000,-0.258732,0.786400,0.560922,0.000000,-1651966.441641,5021057.044789,3557433.630712,1],    "boundingVolume": {    "region": [1.888567,0.595433,1.888731,0.595564,0.000000,8.763044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354967.b3dm"}}}