{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948973,-0.315358,0.000000,0.000000,0.175981,-0.529562,0.829816,0.000000,-0.261140,0.785820,0.560618,0.000000,-1667338.703624,5017349.927908,3555504.861087,1],    "boundingVolume": {    "region": [1.891582,0.595037,1.891677,0.595227,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1178756.b3dm"}}}