{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897457,-0.441103,0.000000,0.000000,0.283308,-0.576413,0.766476,0.000000,-0.337155,0.685968,0.644806,0.000000,-2153420.534610,4381297.870137,4090825.840481,1],    "boundingVolume": {    "region": [2.027560,0.700735,2.027687,0.700804,0.000000,9.039539]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_859646.b3dm"}}}