{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949044,-0.315144,0.000000,0.000000,0.175705,-0.529129,0.830151,0.000000,-0.261069,0.786199,0.560120,0.000000,-1666884.615283,5019755.995811,3552341.541046,1],    "boundingVolume": {    "region": [1.891357,0.594436,1.891452,0.594626,0.000000,13.112033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/26_1462028.b3dm"}}}