{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949023,-0.315208,0.000000,0.000000,0.175799,-0.529294,0.830026,0.000000,-0.261082,0.786062,0.560306,0.000000,-1666969.133242,5018885.341797,3553523.914830,1],    "boundingVolume": {    "region": [1.891425,0.594661,1.891519,0.594851,0.000000,20.220765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1212663.b3dm"}}}