{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950650,-0.310265,0.000000,0.000000,0.173403,-0.531306,0.829244,0.000000,-0.256744,0.786661,0.561469,0.000000,-1639277.055575,5022732.942405,3560912.612195,1],    "boundingVolume": {    "region": [1.886219,0.596111,1.886317,0.596209,0.000000,8.809058]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1427277.b3dm"}}}