{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896791,-0.442454,0.000000,0.000000,0.287514,-0.582749,0.760091,0.000000,-0.335349,0.679705,0.652335,0.000000,-2141955.364781,4341442.329076,4138731.185262,1],    "boundingVolume": {    "region": [2.029040,0.710609,2.029219,0.710714,0.000000,6.041575]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/19_1781549.b3dm"}}}