{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948631,-0.316384,0.000000,0.000000,0.176453,-0.529069,0.830031,0.000000,-0.262058,0.785742,0.560299,0.000000,-1673199.188744,5016844.270914,3553478.379808,1],    "boundingVolume": {    "region": [1.892664,0.594636,1.892759,0.594859,0.000000,8.819805]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1215890.b3dm"}}}