{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894690,-0.446687,0.000000,0.000000,0.284791,-0.570421,0.770399,0.000000,-0.343185,0.687381,0.640102,0.000000,-2191888.523632,4390237.053180,4060903.139644,1],    "boundingVolume": {    "region": [2.033788,0.694569,2.033922,0.694694,0.000000,66.149328]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1138169.b3dm"}}}