{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950470,-0.310815,0.000000,0.000000,0.173504,-0.530573,0.829692,0.000000,-0.257339,0.786941,0.560803,0.000000,-1643073.926166,5024511.397284,3556679.694303,1],    "boundingVolume": {    "region": [1.886797,0.595297,1.886896,0.595414,0.000000,8.760952]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1345321.b3dm"}}}