{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951904,-0.306396,0.000000,0.000000,0.112789,-0.350411,0.929780,0.000000,-0.284620,0.884252,0.370258,0.000000,-1816179.856342,5642466.996784,2346821.309469,1],    "boundingVolume": {    "region": [1.882119,0.379226,1.882283,0.379347,0.000000,7.732426]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/18_44433.b3dm"}}}