{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898086,-0.439820,0.000000,0.000000,0.284301,-0.580526,0.762996,0.000000,-0.334636,0.683308,0.648929,0.000000,-2137371.010959,4364388.575429,4117056.425398,1],    "boundingVolume": {    "region": [2.026128,0.706064,2.026260,0.706287,0.000000,8.444342]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1820548.b3dm"}}}