{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896343,-0.443362,0.000000,0.000000,0.283801,-0.573758,0.768283,0.000000,-0.339688,0.686744,0.642646,0.000000,-2169574.806796,4386217.756852,4077087.476910,1],    "boundingVolume": {    "region": [2.030076,0.697888,2.030209,0.698007,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_537141.b3dm"}}}