{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948632,-0.316382,0.000000,0.000000,0.176456,-0.529081,0.830022,0.000000,-0.262054,0.785735,0.560312,0.000000,-1673172.804230,5016797.517086,3553556.284604,1],    "boundingVolume": {    "region": [1.892662,0.594650,1.892758,0.594873,0.000000,8.819805]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1216128.b3dm"}}}