{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949572,-0.313548,0.000000,0.000000,0.174946,-0.529819,0.829871,0.000000,-0.259658,0.786369,0.560537,0.000000,-1657878.571591,5020852.014503,3554988.314009,1],    "boundingVolume": {    "region": [1.889642,0.594901,1.889804,0.595167,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1371081.b3dm"}}}