{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949591,-0.313490,0.000000,0.000000,0.174960,-0.529971,0.829771,0.000000,-0.259579,0.786289,0.560685,0.000000,-1657376.045626,5020344.672923,3555932.644851,1],    "boundingVolume": {    "region": [1.889582,0.595081,1.889744,0.595346,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1369194.b3dm"}}}