{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948883,-0.315627,0.000000,0.000000,0.176474,-0.530540,0.829087,0.000000,-0.261131,0.785049,0.561702,0.000000,-1667291.037476,5012444.518253,3562392.958033,1],    "boundingVolume": {    "region": [1.891845,0.596388,1.891983,0.596495,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113675.b3dm"}}}