{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949203,-0.314665,0.000000,0.000000,0.115675,-0.348939,0.929979,0.000000,-0.292365,0.881933,0.369752,0.000000,-1865597.886518,5627666.328405,2343614.925387,1],    "boundingVolume": {    "region": [1.890900,0.378742,1.890901,0.378743,0.000000,4.391368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/18.b3dm"}}}