{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893966,-0.448136,0.000000,0.000000,0.288753,-0.576020,0.764737,0.000000,-0.341748,0.681737,0.646872,0.000000,-2182773.933855,4354316.139255,4103967.615823,1],    "boundingVolume": {    "region": [2.035392,0.703394,2.035558,0.703556,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991607.b3dm"}}}