{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949017,-0.315226,0.000000,0.000000,0.175773,-0.529181,0.830103,0.000000,-0.261122,0.786130,0.560191,0.000000,-1667223.622613,5019322.827879,3552791.465801,1],    "boundingVolume": {    "region": [1.891444,0.594521,1.891539,0.594712,0.000000,15.631643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/26_1212619.b3dm"}}}