{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949227,-0.314593,0.000000,0.000000,0.115219,-0.347652,0.930517,0.000000,-0.292469,0.882472,0.368382,0.000000,-1866256.980029,5631084.407610,2334922.282009,1],    "boundingVolume": {    "region": [1.890762,0.377220,1.890887,0.377316,0.000000,62.199424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_23198.b3dm"}}}