{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950521,-0.310662,0.000000,0.000000,0.173279,-0.530177,0.829992,0.000000,-0.257306,0.787270,0.560357,0.000000,-1642860.852039,5026601.393131,3553842.955435,1],    "boundingVolume": {    "region": [1.886594,0.594743,1.886777,0.594889,0.000000,8.229633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1375408.b3dm"}}}