{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949735,-0.313056,0.000000,0.000000,0.174959,-0.530781,0.829253,0.000000,-0.259056,0.785912,0.561455,0.000000,-1654042.953893,5017953.811600,3560822.919447,1],    "boundingVolume": {    "region": [1.889129,0.596059,1.889282,0.596227,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1434770.b3dm"}}}