{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898206,-0.439575,0.000000,0.000000,0.283784,-0.579871,0.763686,0.000000,-0.334755,0.684022,0.648115,0.000000,-2138120.203880,4368932.213245,4111879.920278,1],    "boundingVolume": {    "region": [2.025855,0.704996,2.025988,0.705218,0.000000,7.804799]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1844516.b3dm"}}}