{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310499,0.000000,0.000000,0.173813,-0.532119,0.828637,0.000000,-0.256747,0.786016,0.562369,0.000000,-1639304.857912,5018635.806427,3566633.360794,1],    "boundingVolume": {    "region": [1.886465,0.597199,1.886563,0.597298,0.000000,11.687614]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1384976.b3dm"}}}