{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894785,-0.446497,0.000000,0.000000,0.284657,-0.570457,0.770422,0.000000,-0.343049,0.687475,0.640074,0.000000,-2191021.434298,4390836.157237,4060724.526971,1],    "boundingVolume": {    "region": [2.033576,0.694533,2.033709,0.694657,0.000000,38.039740]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_983596.b3dm"}}}