{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950253,-0.311478,0.000000,0.000000,0.115316,-0.351806,0.928943,0.000000,-0.289077,0.881914,0.372374,0.000000,-1844629.645006,5627581.081615,2360245.774012,1],    "boundingVolume": {    "region": [1.887481,0.381514,1.887607,0.381617,0.000000,4.785253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/16_66725.b3dm"}}}