{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950067,-0.312047,0.000000,0.000000,0.174522,-0.531356,0.828977,0.000000,-0.258134,0.785923,0.561865,0.000000,-1648158.945759,5018029.302679,3563426.359294,1],    "boundingVolume": {    "region": [1.888074,0.596534,1.888212,0.596742,0.000000,8.673000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1399523.b3dm"}}}