{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943801,-0.330514,0.000000,0.000000,0.184167,-0.525900,0.830368,0.000000,-0.273874,0.782062,0.559796,0.000000,-1748639.037555,4993339.396894,3550282.628525,1],    "boundingVolume": {    "region": [1.907589,0.594050,1.907699,0.594230,0.000000,8.291424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1242976.b3dm"}}}