{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310499,0.000000,0.000000,0.173546,-0.531298,0.829219,0.000000,-0.256930,0.786574,0.561506,0.000000,-1640465.762466,5022178.281551,3561145.924986,1],    "boundingVolume": {    "region": [1.886466,0.596155,1.886564,0.596254,0.000000,8.786399]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1427345.b3dm"}}}