{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949624,-0.313391,0.000000,0.000000,0.175169,-0.530789,0.829204,0.000000,-0.259318,0.785774,0.561528,0.000000,-1655714.359042,5017069.049246,3561289.671570,1],    "boundingVolume": {    "region": [1.889509,0.596191,1.889608,0.596273,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443656.b3dm"}}}