{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896737,-0.442564,0.000000,0.000000,0.287482,-0.582506,0.760290,0.000000,-0.335521,0.679843,0.652104,0.000000,-2143051.596881,4342317.123736,4137255.642949,1],    "boundingVolume": {    "region": [2.029163,0.710303,2.029342,0.710408,0.000000,8.320579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/16_1781981.b3dm"}}}