{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951512,-0.307610,0.000000,0.000000,0.114153,-0.353101,0.928595,0.000000,-0.285380,0.882748,0.373248,0.000000,-1821039.738258,5632915.531694,2365795.341019,1],    "boundingVolume": {    "region": [1.883429,0.382470,1.883525,0.382546,0.000000,6.902289]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/19/12_42245.b3dm"}}}