{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950188,-0.311678,0.000000,0.000000,0.173966,-0.530356,0.829734,0.000000,-0.258066,0.786747,0.560741,0.000000,-1647718.514935,5023271.593721,3556284.897627,1],    "boundingVolume": {    "region": [1.887705,0.595222,1.887804,0.595339,0.000000,7.896787]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1356217.b3dm"}}}