{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949643,-0.313333,0.000000,0.000000,0.175052,-0.530543,0.829386,0.000000,-0.259327,0.785964,0.561257,0.000000,-1655772.955904,5018279.691734,3559567.880094,1],    "boundingVolume": {    "region": [1.889448,0.595864,1.889547,0.595945,0.000000,10.923164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1361735.b3dm"}}}