{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898117,-0.439757,0.000000,0.000000,0.284364,-0.580756,0.762797,0.000000,-0.334501,0.683152,0.649163,0.000000,-2136509.080234,4363396.111959,4118545.466363,1],    "boundingVolume": {    "region": [2.026058,0.706372,2.026191,0.706595,0.000000,24.662203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1821967.b3dm"}}}