{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949316,-0.314322,0.000000,0.000000,0.175802,-0.530959,0.828961,0.000000,-0.260012,0.785287,0.561888,0.000000,-1660144.424835,5013968.202769,3563578.183367,1],    "boundingVolume": {    "region": [1.890488,0.596656,1.890590,0.596678,0.000000,8.819715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/12_1421460.b3dm"}}}