{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948618,-0.316424,0.000000,0.000000,0.115952,-0.347617,0.930440,0.000000,-0.294146,0.881831,0.368581,0.000000,-1876958.431770,5626999.767787,2336182.733167,1],    "boundingVolume": {    "region": [1.892701,0.377442,1.892806,0.377521,0.000000,7.435347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/7_17488.b3dm"}}}