{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896984,-0.442064,0.000000,0.000000,0.287289,-0.582933,0.760036,0.000000,-0.335029,0.679801,0.652401,0.000000,-2139909.750668,4342053.625715,4139145.270991,1],    "boundingVolume": {    "region": [2.028605,0.710695,2.028784,0.710800,0.000000,25.128487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/20_1780989.b3dm"}}}