{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894488,-0.447092,0.000000,0.000000,0.285010,-0.570214,0.770471,0.000000,-0.343528,0.687291,0.640015,0.000000,-2194081.936739,4389660.074170,4060346.089917,1],    "boundingVolume": {    "region": [2.034241,0.694455,2.034374,0.694580,0.000000,36.586435]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1137763.b3dm"}}}