{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949830,-0.312767,0.000000,0.000000,0.174816,-0.530892,0.829213,0.000000,-0.258804,0.785952,0.561515,0.000000,-1652434.199056,5018209.857512,3561206.403632,1],    "boundingVolume": {    "region": [1.888816,0.596113,1.888987,0.596318,0.000000,16.506789]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1437451.b3dm"}}}