{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949899,-0.312558,0.000000,0.000000,0.174722,-0.530999,0.829163,0.000000,-0.258616,0.785962,0.561588,0.000000,-1651231.751764,5018274.700841,3561669.622206,1],    "boundingVolume": {    "region": [1.888596,0.596201,1.888767,0.596407,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1441644.b3dm"}}}