{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949882,-0.312609,0.000000,0.000000,0.115066,-0.349635,0.929793,0.000000,-0.290396,0.882386,0.370224,0.000000,-1853036.013532,5630560.497043,2346607.365533,1],    "boundingVolume": {    "region": [1.888666,0.379159,1.888804,0.379341,0.000000,10.296858]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_5431.b3dm"}}}