{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950655,-0.310250,0.000000,0.000000,0.173390,-0.531296,0.829253,0.000000,-0.256734,0.786674,0.561455,0.000000,-1639215.697859,5022816.311070,3560823.860889,1],    "boundingVolume": {    "region": [1.886203,0.596094,1.886301,0.596193,0.000000,8.809058]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1427084.b3dm"}}}