{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951020,-0.309129,0.000000,0.000000,0.115881,-0.356501,0.927081,0.000000,-0.286316,0.880836,0.377030,0.000000,-1827029.643806,5620766.705532,2389787.870808,1],    "boundingVolume": {    "region": [1.884992,0.386536,1.885155,0.386639,0.000000,13.140947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/13_60818.b3dm"}}}