{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948604,-0.316466,0.000000,0.000000,0.176638,-0.529471,0.829735,0.000000,-0.262031,0.785437,0.560739,0.000000,-1673032.306077,5014904.516716,3556275.037944,1],    "boundingVolume": {    "region": [1.892750,0.595167,1.892846,0.595390,0.000000,8.798307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1186259.b3dm"}}}