{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896332,-0.443384,0.000000,0.000000,0.283719,-0.573559,0.768462,0.000000,-0.339784,0.686897,0.642432,0.000000,-2170189.016828,4387190.674000,4075722.752386,1],    "boundingVolume": {    "region": [2.030100,0.697608,2.030233,0.697727,0.000000,46.053164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_536880.b3dm"}}}