{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897197,-0.441630,0.000000,0.000000,0.286138,-0.581306,0.761714,0.000000,-0.335445,0.681476,0.650436,0.000000,-2142549.048178,4352718.499486,4126643.753656,1],    "boundingVolume": {    "region": [2.028162,0.708120,2.028259,0.708196,0.000000,6.621302]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/15_1798805.b3dm"}}}