{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893976,-0.448115,0.000000,0.000000,0.288743,-0.576033,0.764731,0.000000,-0.341730,0.681740,0.646878,0.000000,-2182659.146156,4354333.913092,4104009.525486,1],    "boundingVolume": {    "region": [2.035370,0.703402,2.035535,0.703565,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870028.b3dm"}}}