{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951292,-0.308292,0.000000,0.000000,0.171134,-0.528064,0.831782,0.000000,-0.255899,0.789624,0.557682,0.000000,-1633862.186850,5041581.479581,3536845.473820,1],    "boundingVolume": {    "region": [1.884140,0.591547,1.884247,0.591635,0.000000,6.438494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/50/41_1382981.b3dm"}}}